Module 1 milestone 4 error

module 1 milestone buid error : /ravisuzerain-ME_QBOX-c67cb26c-49db-11ea-a25b-630227a642fa/execution_dir/print_number_of_occurrences.sh returncode > 0!

i checked that my answer that is 32 .

How were you able to solve this?

Use grep command to capture lines and wc command to count those lines and if you are getting failed then make sure you are not doing any syntactical mistake into bash script or shall script and following the basic syntaxing of shall scripting