C51E

<num> [set the product group or family] group specified repeats, but in series with another group or format

Reason

You specified REPEATS on the group statement, but another group statement that calls this group directly or indirectly also specifies REPEATS.

<num>: The number of the record in error
[set the product group or family]: The group name called by the group statement.

Action

Change the model to use REPEATS on only one of these group statements and recompile.