Please write here the output of printing sys.version
Please write here the output of printing platform.platform()
Please write here the output of printing numpy.__version__
Please write here the output of printing mdfreader.__version__
Please describe the issue pr error stack here and eventually script used to use mdfreader
Also mentioning version of mdf file will be helpful (using mdfvalidator or mdfreader if functional for reading)
print of issue related variables at the errors location and eventually mdfvalidator screenshots can help troubleshooting complicated issues