Symptom
Error "Project key is invalid" occurs when sending a POST request via the API "Commercial Project - Create, Update".
Environment
SAP S/4HANA Cloud
Cause
When using the POST method, it is required to pass the key of the parent node through the payload.
Resolution
The solution is to add this line into the existing payload: "CustomerProject": "{Customer Project ID}".
See Also
Keywords
Error, Project key, Invalid, POST, API, Commercial project, Create, Update , KBA , SD-SLS-PBS , Project-Based Services in Sales Documents , SD-SLS-API-2CL , API (Public Cloud) , Problem
Product
SAP S/4HANA Cloud Public Edition all versions