sir i have already sent a message that iam getting error message while running FLAASH after that again i tried to get output but now iam ending with this error.. AAC error:avrd: no nonblank pixels found IDL error: OPENR:error opening file.unit:100, File:C:\program Files\Exelis\IDL82\lib\hook\resize.LUT The system cannot find the file specified. ACC_AVRD ACC_HYPER2 ACC_ACC ENVI_ACC_EVENT ENVI_FLAASH_PROCESS_MANAGER IDLRTMAIN $MAIN$ is there any technical support which can help me? any advice will be greatly appreciated