Error "Profit center XXXX not found in controlling area A000" (FAGL_ORG_UNITS001) happens when creating Sales Order.
SAP S/4HANA Cloud
Reproducing the Issue
Create Sales Order and input material data, then press Enter.
The issue may not be relevant with the master data of the Profit Center.
Please check whether you have any custom coding to substitude Profit Center in App Custom Fields and Logic.
If you have such substitution, please make sure the replacing text for Profit Center is with leading zeros. For example, "0000100001", not "100001".
Please make necessary adjustments in App Custom Fields and Logic.
FAGL_ORG_UNITS 001 , KBA , EC-PCA-MD , Master Data , FI-SL-VSR , Validation, Substitution and Rules , Problem