API hangs when trying to subsequently print /user/group

Hi,

I’m having a weird issue. When I call a subsequent print statement to /user/group the API hangs. It will print the first time I do a print call but hang on the second and the subsequent times.
The weird thing is that it only happens on /user/group api path. Every other path prints out fine.

I tested this on (CR) v6.38.1 and RB(2011UiAS) v6.39.1. It have to reset the config and then I can call the print again.