Workflow between SNAP and StaMPS

hey,

when processing my descending data (20 interferograms, tried mt_prep_snap 0.4 3 2 till 0.4 5 5)
i run into this error at step 1:

READPARM: earth_radius_below_sensor:=6358646.826284111
READPARM: center_range_slc:=867893.7600224181
READPARM: azimuth_lines:=1341
READPARM: prf:=1717.128973878037
Index in position 2 exceeds array bounds.

Error in ps_load_initial_gamma (line 108)
rg=rgn+ij(:,3)*rps;

Error in stamps (line 263)
ps_load_initial_gamma;

i thought this was due to the patches being to big and therefore the processing requirements to big but i dont think this is the case because my 2016 data( only 9 igs) run in 1 patch.

do any of you have a clue what is wrong here of where i can start solving it? debugging in the ps_load_initial_gamma script?

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