X_DB_STATEMENT_TIMEOUT
Means
the statement ran past its statement_timeout
Typical cause
SQLSTATE 57014 — a sequential scan where an index was assumed, or a plan that changed under a grown table. On the memory driver, a lock or lockKey waiter past 5 s: usually two locks taken in opposite order
Fix
add the index this statement needs to the entity (indexes: [...]), then x db gen "add index"