[ccp4bb] import_scaled failed on ccp4-6.1.1 but finished on ccp4-6.1.0

[Jun Dong]

Dear CCP4 developers,

The same job ImportScaled on ccp4-6.1.1 failed with 

/ccp4-6.1.1/ccp4i/scripts/import_scaled.script: can't read "dataset_name": no 
such variable

but finished if run it on ccp4-6.1.0.

Your help is much appreciated.
Thanks,
Jun