on 06-01-2010 10:45 AM
Hi Friends,
Need your help in solving one issue.
In PPDS Log error report, I am getting an error"PPM0000.......xxx: Activity net contains a cycle".
On doing analysis we found that in PPDS PPM under activity relationships, the operation / activity field in predecessor and successor are same.
Could anyone please help me understanding the reason for this and how can we rectify this?
Thanks and regards,
Indrajit D Chaudhuri
Hi Indrajit D Chaudhuri,
PPM is generated based on bom and routing in R/3 data, the
exact replica of R/3 data results in PPDS PPM
Hence the predecessor/successor at the activity relationship
is based on R/3 data.
I would suggest to check the bom and routing and correct the
master data accordingly and recif it and then try
Regards
R. Senthil Mareeswaran.
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Indrajit,
This is a master data issue. Consider activity A. This activity has a predecessor as Activity B and a successor as Activity B. So, Activity B will trigger Activity A which will again trigger B and again A and so on. This will cause a cycle and the scheduling is not possible. Hence, a valid error.
For PPM/PDS its best to make changes to your recipe in ECC. Once that is done you can ReCIF the changes and try again.
Abhi
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