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Not sure exactly why the change would cause an issue, but you could try one of the following:

• in your moveit_config package for your robot, in launch/trajectory_execution.launch.xml there is a line <param name="trajectory_execution/allowed_start_tolerance" value="0.01"/> that you can change to be more tolerant. (Note, this may not help everything, but could be a place to start looking).
• Before you execute the trajectory, do you set your move_group start state? (i.e. move_group.setStartStateToCurrentState()?

I do know i've had issues with the UR models for the first bullet point, not much experience with abb, however. But those might be some places to start.