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Error: Code 2390 - You can't change the data type or field size of this field; it is part of one or more relationships.@If you want to change the data type of this field, first delete its relationships in the Relationships window.@@1@@@1.


How to fix the Runtime Code 2390 You can't change the data type or field size of this field; it is part of one or more relationships

This article features error number Code 2390, commonly known as You can't change the data type or field size of this field; it is part of one or more relationships described as You can't change the data type or field size of this field; it is part of one or more relationships.@If you want to change the data type of this field, first delete its relationships in the Relationships window.@@1@@@1.


About Runtime Code 2390

Runtime Code 2390 happens when Microsoft Access fails or crashes whilst it's running, hence its name. It doesn't necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.


Definitions (Beta)

Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!

  • Field - In computer science a field is a smaller piece of data from a larger collection.
  • Relationships - Relationships refer to mappings between elements of one set to another set, such as one-to-one, one-to-many, many-to-many.
  • Size - Size in computing can refer to various dimensions: size in bits, in bytes, in pixels, in memory, in disk space, etc
  • Window - In computer science a window is a graphical interface to let a user interact with a program
  • Type - Types, and type systems, are used to enforce levels of abstraction in programs.

Symptoms of Code 2390 - You can't change the data type or field size of this field; it is part of one or more relationships

Runtime errors happen without warning. The error message can come up the screen anytime Microsoft Access is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.

There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.


Fix You can't change the data type or field size of this field; it is part of one or more relationships (Error Code 2390)
(For illustrative purposes only)



Causes of You can't change the data type or field size of this field; it is part of one or more relationships - Code 2390

During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.

Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.


Repair Methods

Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.

If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.

Please note: Neither ErrorVault.com nor it's writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page - you complete these steps at your own risk.

When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.
  • Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
  • Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
  • You will need to observe if the error message will reoccur each time you stop a process.
  • Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.
Using Control Panel
  • For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
  • For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
  • For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
  • Once inside Programs and Features, click the problem program and click Update or Uninstall.
  • If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application's installation disk to reinstall the program.
Using Other Methods
  • For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
  • For Windows 10, you may click Start, then Settings, then choose Apps.
  • Scroll down to see the list of Apps and features installed in your computer.
  • Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.
Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.
You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.
  • Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
  • Click Uninstall on top of the list, and when it is done, reboot your computer.
  • Download the latest redistributable package from Microsoft then install it.
You might also be experiencing runtime error because of a very low free space on your computer.
  • You should consider backing up your files and freeing up space on your hard drive
  • You can also clear your cache and reboot your computer
  • You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
  • Click Properties and then click Disk Cleanup
If the error is related to a bad graphics driver, then you may do the following:
  • Open your Device Manager, locate the graphics driver
  • Right click the video card driver then click uninstall, then restart your computer
If the error you are getting is related to the Internet Explorer, you may do the following:
  1. Reset your browser.
    • For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
    • For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
  2. Disable script debugging and error notifications.
    • On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
    • Put a check mark on the radio button
    • At the same time, uncheck the "Display a Notification about every Script Error" item and then click Apply and OK, then reboot your computer.
If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.
Other languages:

Wie beheben Fehler 2390 (Sie können den Datentyp oder die Feldgröße dieses Felds nicht ändern. es ist Teil einer oder mehrerer Beziehungen) - Sie können den Datentyp oder die Feldgröße dieses Felds nicht ändern. es ist Teil einer oder mehrerer Beziehungen.@Wenn Sie den Datentyp dieses Felds ändern möchten, löschen Sie zuerst seine Beziehungen im Fenster Beziehungen.@@1@@@1.
Come fissare Errore 2390 (Non puoi modificare il tipo di dati o la dimensione del campo di questo campo; fa parte di una o più relazioni) - Non puoi modificare il tipo di dati o la dimensione del campo di questo campo; fa parte di una o più relazioni.@Se si desidera modificare il tipo di dati di questo campo, eliminare prima le sue relazioni nella finestra Relazioni.@@1@@@1.
Hoe maak je Fout 2390 (U kunt het gegevenstype of de veldgrootte van dit veld niet wijzigen; het maakt deel uit van een of meer relaties) - U kunt het gegevenstype of de veldgrootte van dit veld niet wijzigen; het maakt deel uit van een of meer relaties.@Als u het gegevenstype van dit veld wilt wijzigen, verwijdert u eerst de relaties in het venster Relaties.@@1@@@1.
Comment réparer Erreur 2390 (Vous ne pouvez pas modifier le type de données ou la taille de champ de ce champ ; il fait partie d'une ou plusieurs relations) - Vous ne pouvez pas modifier le type de données ou la taille de champ de ce champ ; il fait partie d'une ou plusieurs relations.@Si vous souhaitez modifier le type de données de ce champ, supprimez d'abord ses relations dans la fenêtre Relations.@@1@@@1.
어떻게 고치는 지 오류 2390 (이 필드의 데이터 유형이나 필드 크기는 변경할 수 없습니다. 하나 이상의 관계의 일부입니다.) - 이 필드의 데이터 유형이나 필드 크기는 변경할 수 없습니다. 하나 이상의 관계의 일부입니다.@이 필드의 데이터 유형을 변경하려면 먼저 관계 창에서 관계를 삭제하십시오.@@1@@@1.
Como corrigir o Erro 2390 (Você não pode alterar o tipo de dados ou o tamanho do campo deste campo; faz parte de um ou mais relacionamentos) - Você não pode alterar o tipo de dados ou o tamanho do campo deste campo; ele faz parte de um ou mais relacionamentos. @ Se você deseja alterar o tipo de dados deste campo, primeiro exclua seus relacionamentos na janela Relacionamentos. @@ 1 @@@ 1.
Hur man åtgärdar Fel 2390 (Du kan inte ändra datatypen eller fältstorleken för detta fält. det är en del av en eller flera relationer) - Du kan inte ändra datatyp eller fältstorlek för detta fält. det är en del av en eller flera relationer.@Om du vill ändra datatypen i det här fältet tar du först bort dess relationer i fönstret Relationer. @@ 1 @@@ 1.
Как исправить Ошибка 2390 (Вы не можете изменить тип данных или размер этого поля; это часть одного или нескольких отношений) - Вы не можете изменить тип данных или размер этого поля; это часть одного или нескольких отношений. @ Если вы хотите изменить тип данных этого поля, сначала удалите его отношения в окне «Отношения». @@ 1 @@@ 1.
Jak naprawić Błąd 2390 (Nie możesz zmienić typu danych ani rozmiaru pola tego pola; jest częścią jednego lub więcej związków) - Nie możesz zmienić typu danych ani rozmiaru pola tego pola; jest częścią jednej lub więcej relacji.@Jeśli chcesz zmienić typ danych tego pola, najpierw usuń jego relacje w oknie Relacje.@@1@@@1.
Cómo arreglar Error 2390 (No puede cambiar el tipo de datos o el tamaño del campo de este campo; es parte de una o más relaciones) - No puede cambiar el tipo de datos o el tamaño del campo de este campo; es parte de una o más relaciones. @ Si desea cambiar el tipo de datos de este campo, primero elimine sus relaciones en la ventana Relaciones. @@ 1 @@@ 1.




The Author About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki.


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