Issue in ML NEB Run (cattsunami)

[K-Manan]

Working on CO dissociation with higher coverage on Cu111 catalyst surface, fmax in the NEB calculation (as attached) converges in a single step which seems highly unlikely. What could be the causation for this? Please suggest which part of the script maybe causing this issue and how to rectify it.

Output:

Script: neb_frame_set.txt