| ERROR | (XSAGZERO) AGGREGATE attempted to divide by zero. Set DIVIDEBYZERO to YES if you want NA to be returned as the result of a division by zero. |
| CAUSE | A calculation in the current AGGREGATE command attempted to divide by zero as a result of an AVERAGE, WAVERAGE, HAVERAGE or HWAVERAGE operation. |
| ACTION | Either fix the data, or set DIVIDEBYZERO to YES to return NA instead of signaling an error. |