You can't set "CURR_PER = 2014.01 in DATA REGION"!
Check your TIME_PERIOD dimension for TIMEID property - has to be correctly maintained for all base members for TMVL to work correctly.
Provide screenshots of UJKT...
For the code:
*SELECT(%CURR_PER%,"[START_PER]",VERSION,"[ID]='ACTUAL'")
*XDIM_MEMBERSET TIME_PERIOD = %CURR_PER%
*XDIM_MEMBERSET TIME_PERIOD = TMVL(-1,%CURR_PER%)
Vadim