Some distracting error messages

[rosibaj]

. if jaser has bandwidth, it would be nice to remove these error messages in rollcall, they are not affecting any functions i think, but are very distracting:grinning:

line 1:0 token recognition error at: '.'
line 1:9 token recognition error at: '-'
line 1:10 mismatched input '7' expecting '_'
line 1:8 token recognition error at: '-'
line 1:9 mismatched input 'projects' expecting '_'
line 1:8 token recognition error at: '-'