2353783 - Error: Timestream not generated for year 1970

When running SNP Heuristic via Transaction /SAPAPO/SNP01, or Loading a Product in the planning book the follow error appears:

Timestream (<Calendar name>) not generated for year 1970
Message no. T9507

If the Heuristic is set with Parallel Processing, the error is shown as:

Parallel process terminated with error: Timestream (<Calendar name>) not generated for year 1970
Message no. /SAPAPO/SDP_PAR022

SAP Supply Chain Management (SCM)
SAP Advanced Planning and Optimization (SCM-APO)
SAP enhancement package for SAP Supply Chain Management
SAP Supply Chain Management Supply Network Planning (SCM-APO-SNP)

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