Fix use of stringy errors.
Fix use of stringy errors.

Invalid transmat system names are generally a config error stemming from user input, as far as I can figure, and should hit roughly that reporting path.

Signed-off-by: Eric Myhre <2346ad27d7568ba9896f1b7da6b5991251debdf2@exultant.us>

polydawn/repeatr,polydawn/repeatr,kkroening/repeatr,subuser-security/repeatr,subuser-security/repeatr,kkroening/repeatr