Module Chart Checks : (C5039) Flow-lines between environment modules

(C5039) Flow-lines between environment modules

Error In:
Correctness
Description:
There are compound flow-lines between external modules. These flow-lines, even if they exist, should not be specified in the chart where the source and target modules are external and, therefore, out of the description scope.
Erroneous Elements:
Components of the erroneous flow-lines