How to fix the Oracle error PLS-00102: parser stack overflow because nesting is too deep?

In this post, you’ll learn more about the Oracle ErrorPLS-00102: parser stack overflow because nesting is too deep with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00102: parser stack overflow because nesting is too deep

Reason for the Error PLS-00102: parser stack overflow because nesting is too deep

The parser, which checks the syntax of PL/SQL statements, uses a data structure called a stack; the number of levels of nesting in the PL/SQL block exceeded the stack capacity.

How to fix the Error PLS-00102: parser stack overflow because nesting is too deep ?

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

Reorganize the block structure to avoid nesting at too deep a level. For example, move the lowest-level sub-block to a higher level.