Did you get #1089 error during table -

ORA-39097:Data Pump job encountered unexpected error -1089 error 1089 Error 1089: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique error 1089 The error is generated by the fact that we have a length added to the Primary Key Usually this length is provided to columns having a varchar

error_ draggable element must have an item slot Shared MariaDBMySQL error codes ; 1089, HY000, ER_WRONG_SUB_KEY, Incorrect prefix key; the used key part isn't a string, the used length is longer than the key