Received "Failed to retrieve data" error

Question

I received "Failed to retrieve data" error when adding a date field through Studio. What does this mean? It is not saving the field.

Margarita Lainez · Accepted Answer

This sometimes means that the database table(s) have reached their limit. MySQL databases have a maximum number of columns per table.

You may be able to resolve this issue by reducing the length of current fields in Studio for the module that you are trying to add the field to. The best place to start are the text fields that have a 255 character length. If you do not need the entire 255 character length, lower that value to a number that will work for the text field. You should also delete any fields that you are no longer using.