Problem running NI 9401 for counter input and output

Hi, 

I am using 2x 9401 modules with a NI cDAQ 9174 on Labview 2018, and am having trouble configuring these modules for both input and output. 

Below is the code I have been using.  Whenever I run the program, either the input signals work OR the output works, depending on which one I try to reserve/start first.  When I split it into 2 different programs, each one individually runs fine.  

I am getting Error -50103

"The specified resource is reserved.  The operation could not be completed as specified."

below is an image of my code, and I have also attached the VI