'TimeGMT' - override system function FFCal.mq4


I ma trying to use FFCal.mq4 and change one setting and then recompile it but when I try to compile it I get this error:

'TimeGMT' - override system function    FFCal.mq4    1363    10

1. what can I do to solve this?

2. How did the creators compile this indicator without getting this error?

ffcal.mq4  49 kb
William Roeder
William Roeder  
TimeGMT is a new function in build 600 on. Either delete (comment out) the function definition and use the system one, or rename all instances to something else.