i3 error output

ERROR: CONFIG: syntax error, unexpected $undefined
ERROR: CONFIG: in file "/home/mbaynton/.i3/config", line 136:
ERROR: CONFIG:   workspace 1 output GPU-1.DP-2
ERROR: CONFIG:                           ^
ERROR:
ERROR:
ERROR: CONFIG: syntax error, unexpected $undefined
ERROR: CONFIG: in file "/home/mbaynton/.i3/config", line 137:
ERROR: CONFIG:   workspace 2 output GPU-0.DP-2
ERROR: CONFIG:                           ^
ERROR:
ERROR:
ERROR: CONFIG: syntax error, unexpected $undefined
ERROR: CONFIG: in file "/home/mbaynton/.i3/config", line 138:
ERROR: CONFIG:   workspace 3 output GPU-1.DP-3
ERROR: CONFIG:                           ^
ERROR:
ERROR:
ERROR: CONFIG: syntax error, unexpected $undefined
ERROR: CONFIG: in file "/home/mbaynton/.i3/config", line 139:
ERROR: CONFIG:   workspace 4 output GPU-0.DP-3
ERROR: CONFIG:                           ^
ERROR:
ERROR: FYI: You are using i3 version 4.2 (2012-04-25, branch "release-4.2")