CASA Error Messages
From CASA Guides
CASA Error Messages and what they mean
WARN listobs::utils::verify Argument vis failed to verify. WARN listobs::utils::verify Some arguments failed to verify!
Explanation: The input file for the vis parameter is either misspelled or the file does not exist in the current directory
SEVERE Calibrater::solve Caught exception: ArrayBase::validateConformance shape [2] differs from [1] SEVERE Exception Reported: Error in Calibrater::solve. SEVERE uvcontsub::::casa Error in uvcontsub: Error in Calibrater::solve.
Explanation: tbd