Always check the obvious things first. On the properties tab of the grammar panel for this visual, is the aggregation for this measure set to Auto? Can you change it to SUM?

Just ran into this same issue. An SME bundle between environments failed with a generic message that provides no data to resolve the problem. After raising an SR, we were informed there are duplicate extensions on our Worker Dimension. Perfect, checked it out, removed the duplicates and problem solved. If we had access to…