How to fix the Oracle error PGU-30123: level limit: level string field string can’t follow level string?

In this post, you’ll learn more about the Oracle ErrorPGU-30123: level limit: level string field string can’t follow level string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGU-30123: level limit: level string field string can’t follow level string

Reason for the Error PGU-30123: level limit: level string field string can’t follow level string

Cause: PGAU was processing nested records when the next field at at level , identified by , occurred after fields at current level . Additional fields at intermediate levels should have preceded this field. This error happens when special fields such as COBOL RENAMES (at LEVEL 66) appear next after the level 01 definition.

How to fix the Error PGU-30123: level limit: level string field string can’t follow level string ?

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

Action: Correct the data record definition to place the special fields in theire proper sequece, and/or insert fields being modified ahead of the special modifying field.