SAP Message RSDMD177 - User &2 locked the load of texts for characteristic &1

Diagnosis
User &V2& is preventing you from loading texts to characteristic &V1&.The lock was set in the maintenance screens for master data while datawas being saved on &V4&. The request number is &V3&.

System Response
For reasons of consistency, the system cannot allow the update tocontinue, and it has terminated the process.

Procedure
Wait until the process that is causing the lock is complete. You cancall transaction SM12 to display a list of the locks.
If a process terminates, the locks that have been set by this processare reset automatically.