index or primary key cannot contain a null value!

Question

Hi,

I'm just trying to update a previous table from a query and I'm getting the above mentioned error. What should I do?

Best, Nash

Answer 1

Hi,

The "index or primary key cannot contain a null value" error typically occurs when you're trying to update a table that has a primary key or an indexed field, and you're providing a null value for that field.

Here are a few steps you can take to resolve this issue:

1. Check for Null Values: Review your data and ensure that you're not trying to update any primary key or indexed field with a null value. Identify the specific field causing the error.
2. Ensure Data Integrity: Verify that the data being used to update the table is accurate and complete. Check if there are any missing or incorrect values that could be causing the error.
3. Set Default Values: If the field allowing null values should have a default value, make sure it's set correctly. This ensures that when a null value is encountered, the default value is used instead.
4. Check Relationships: If the table with the error has relationships with other tables, ensure that the related fields are properly linked and there are no discrepancies in the data.

Also, have a look at this link once- https://learn.microsoft.com/en-us/office/vba/access/concepts/miscellaneous/index-or-primary-key-cannot-contain-a-null-valueerror-3058

Best Regards.