2:0:
2:1:

1:0:'Server has lost Internet connectivity. Retrying in '.$chat_wait.' seconds ('.($pc+1).'/'.$pca.').'
1:1:'Request timed out after '.TO_WAN.' seconds. Retrying in '.$chat_wait.' seconds ('.($cgl+1).'/'.$cgla.').'
1:2:'Bad continuation token, falling back to "Top Chat" mode. Duplicated messages will appear below.'
1:3:'Stream has ended (Error 400).'
1:4:'Bad service request, restarting script. Duplicated messages will appear below.'
1:5:'Unknown service error code 400 receieved unable to continue.'
1:6:'YouTube backend error, restarting script. Duplicated messages will appear below.'
1:7:'Unknown service error ('.$chat_json['error']['code'].'), contents saved to '.$json_errfn.' for debugging.'
1:8:'Unexpected data received, contents saved to '.$json_errfn.' for debugging.'
1:9:'Connection to Internet re-established.'
1:10:'Could not reconnect to Internet after '.$pca.' attempts, ending session.'
1:11:'Could not retrieve chat data after '.$cgl.' consecutive attempts, ending session.'
1:12:'Ending session due to unknown connection error, contents saved to '.$json_errfn.' for debugging.'

0:0:'Stream has ended.'
0:1:'Stream has been set to private unable to continue.'
0:2:'Stream has been removed unable to continue.'
0:3:'EXECUTION LIMIT REACHED, REINITIALIZING. A SERIES OF DUPLICATED MESSAGES WILL APPEAR BELOW.'