How To Fix TB390 - Error in saving (no changes saved)

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 390

• Message text: Error in saving (no changes saved)

What causes this issue?

An error occurred when writing in the (table) database.

System Response

None of the modificatons made were saved.

How to fix this error?

Try again to save. If errors occur again, please inform the system
administrator.
If the error cannot be corrected, the adjustment procedure must be
terminated without saving. Any modifications already made are lost.

Error message extract from SAP system. Copyright SAP SE.