Fixed Pegging Relationship Exists for Material XXX. Please delete before execution - Msg no. SY499

Hi Experts,

Our lawsuit usage PPDS, there are 2 Jobs which executes the "PRODUCTION PLANNING RUN". 1st JOB to UNFIX the pegging narration and followed by the 2nd Job, which is utilized to FIX the pegging relationship.

But successful past 1 Week, thrice the "FIX Pegging relationship" Job has got cancelled owed to Error - "Fixed Pegging Relationship Exists for Material XXX. Please delete earlier execution - Msg no. SY499".

But the aforesaid Material is disposable successful Variant of 1st UNFIX Job and it ran Successfully.

What should one bash to hole this Error? Kindly assistance connected the same.

Regards,

Jeffrey