Solution : https://service.sap.com/sap/support/notes/1635201 (SAP Service marketplace login required)
Key words :
ec configuration --> user-defined fields assignments, 0the mandatory user-defined fields, ec tasks takes place, symptom sap environmental compliance 3, production series task, required udf data, required fields, environmental compliance, sap note 1139005, environmental performance 3
Related Notes :
| 1635825 | SAP Environmental Compliance 3.0 SP10 Patch 3 |
| 1139005 | SAP Environmental Compliance 3.0 Central Note |