How to fix the Oracle error SQL-02141: Collection descriptor has not been allocated?

In this post, you’ll learn more about the Oracle ErrorSQL-02141: Collection descriptor has not been allocated with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

SQL-02141: Collection descriptor has not been allocated

Reason for the Error SQL-02141: Collection descriptor has not been allocated

Cause: An unallocated collection descriptor was referenced in a COLLECTION SET or COLLECTION GET statement.

How to fix the Error SQL-02141: Collection descriptor has not been allocated ?

You can fix this error in Oracle by following the below steps

Action: Allocate the collection descriptor with the EXEC SQL ALLOCATE statement. e.g. EXEC SQL ALLOCATE :coldesc_p;