Solution : https://service.sap.com/sap/support/notes/631669 (SAP Service marketplace login required)
Key words :
cl_cgpl_task im_assignment_type importing type cgpl_object_type ex_exists exporting type flagex_not_allowed exporting type flag save & activate step 3, cl_cgpl_projectim_assignment_type importing type cgpl_object_typeex_exists exporting type flagex_not_allowed exporting type flag save & activate step 2, im_campaign importing type ref, im_campaign_task importing type ref, method check_assignment_usagestatic public description, method check_assignment_usagestatic public description, campaign type, checks assignment usagepress, correction instructions attached, symptom tab 'product'
Related Notes :
| 634869 | SAPKU40001: Support Package 01 for CRM 4.0 |