#3 Xigg 1.21 can not create Tables on the DB

Xigg create not all Tables:

Creating database tables...
Failed creating database tables using schema. Error: MDB2_Schema Error: unknown error(the database was only partially created (MDB2 Error: insufficient permissions (_doQuery: [Error message: Could not execute statement] [Last executed query: CREATE INDEX `node_category` ON `iae8debca_berater_node` (`node_category_id`)] [Native code: 1142] [Native message: INDEX Befehl nicht erlaubt f�r Benutzer 'web380'@'localhost' auf Tabelle 'iae8debca_berater_node'] )))

Can you help me please with this?