Access error 3615 “type mismatch in expression” usually comes when Access can’t match an input value to the data type it expects for the value. Suppose, for example, if you enter text string when access expecting for a numeric value. Then at that situation you may get such data type mismatch error.
When "Type Mismatch In Expression" Error comes?
This particular error message comes when users try to run a query. Similar type of error also comes when anyone try to create relationship between two tables in relationship windows. In that case error will look like this.
Cause Of Access 3615 Error Code
The error itself shows that the fields you are trying to link or join between the two tab les have different data type. The field may contain same name or similar values but the different data type is actually causing the issue.
In order to work, the data types needs to be the same.
Manual ways to fix Access 3615 - "Type Mismatch In Expression” Error
It’s not that tough task to fix this "Type Mismatch in expression” error. Only you need to do is that …..
If the field in the primary key is one of the tables, the solution is to use that as a model data type. So you need to update the data type for this field in the Shift Information Table to Short Text.
Circumstances are also that you don’t have the permission to modify the data type in tables in their database. Well for such cases you can try out these solutions.
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To troubleshoot this message, try the following:
- If you have done any modification in the default value of a field in a table and receives a error message regarding data type mismatch error when you try to enter any new records. Then in such situation it’s better to open the table in design view.
- Check that the expression you use for the field’s default value evaluate as the same data type as the fields.
- Make sure those criteria for column matches the data type of the column’s underlying fields. Suppose you have specify text criteria for a numeric field then you will surely rendered through this error.
Alternative solution
If in case the above solution fails to fix this issue then in such cases you need to reach out to Access Repair And Recovery tool for advanced troubleshooting and solutions to get back to being productive with Microsoft access. There are various advantages of using the tool such as it repair corrupted/damaged .accdb and .mdb files, restore each and every data and such as tables, queries, indexes, relations, etc.