Personnel Number (PERNR) &1 has multiple Vendors.

What causes this issue?

There should be one vendor per employee (PERNR). In case of multiple
vendor found for the Employee, then
1. These Vendors will not be linked with Employee-BP by synchronization
report.
2. Employee information is not synchronized automatically using sync
report to these Vendor or Vendor-BP.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Vendor need to be manually maintained or corrected.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.