Solution : https://service.sap.com/sap/support/notes/1130049 (SAP Service marketplace login required)
Key words : 
transaction /sapapo/rest02, report /sapapo/resources_lc_create, supply network planning, block planning, bucket capacity, resource maintenance, pp buckets, system issues, error message, error occurs
Related Notes : 
       
| 1257293 | Notes regarding resource time stream, relevant for upgrade | 
| 1126573 | Bucket profile with downtimes: Error 17443 | 
| 1065366 | /SAPAPO/OM_LC_UPGRADE_51: Problems during the upgrade |