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MRP Report Returns Blank in RoverERP ​

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Problem Statement ​

Users are running an MRP report (MRP.R4 or MRP.R5) in RoverERP, but the report is returning blank results. This issue persists even when correct selections are made and the process has worked successfully in the past.

Symptoms ​

  • MRP.R4 or MRP.R5 returns no data (blank report) despite valid selections
  • The issue can be replicated by logging in as the affected user
  • Users confirm the report has worked previously and can provide examples of past successful reports

Troubleshooting Steps ​

1. Check MRP.Q for Details ​

  • Open MRP.Q (the MRP Query screen) and look up the affected part(s)
  • MRP.Q provides detailed information about individual parts and will display the date and time MRP was last run
  • Use this information to determine whether MRP data is current and whether the last run completed successfully

2. Rerun MRP.P1 If Needed ​

If MRP data is missing or out of date, MRP.P1 can be run to rebuild the MRP files.

How the process works:

  • When MRP.P1 starts, it checks the "Update In Process" box in PLAN.CONTROL
  • When the process completes successfully, the box is automatically unchecked
  • This flag exists to prevent MRP.P1 from being run simultaneously by multiple users

If the previous MRP.P1 run failed to complete:

  • The "Update In Process" box in PLAN.CONTROL will remain checked
  • This box must be manually unchecked before MRP.P1 can be rerun
  • Once cleared, run MRP.P1 and monitor it to ensure it completes without errors

3. Rerun the MRP Report ​

  • After MRP.P1 completes successfully, have the user rerun MRP.R4 or MRP.R5 with their desired selections
  • Confirm the report now returns data as expected

Verification ​

  • [ ] MRP.Q shows current MRP data with a recent last-run date/time
  • [ ] The "Update In Process" flag in PLAN.CONTROL is unchecked after MRP.P1 completes
  • [ ] MRP.R4 or MRP.R5 displays data based on the user's selections

Note: If the issue recurs, review the scheduling and completion of MRP.P1 jobs to ensure they are not being interrupted. Training may be needed if users are unfamiliar with the correct report selections or process steps.

Additional Information ​

  • If you continue to experience issues with MRP reports or job processing, contact RoverERP support for further assistance
  • Always verify that the "Update In Process" flag is cleared before rerunning MRP.P1