Better error message, C contiguous check and remove error flag + tests

4 jobs for !109 with development/be-static-dynamic in 16 minutes and 5 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Build
passed distcheck-linux-clang10-release #131336

00:14:10

passed distcheck-linux-coverage #131338

00:16:04

92.0%
passed distcheck-linux-gcc10-release #131337

00:13:12

passed windows-debug #131335
windows

00:03:41