What causes the "FAIL MTP" error when writing to NV memory of the MAX17201EVKit?
It usually happens when nonvolatile value they try to write is read back differently. After Fail MTP, the GUI will label the register that failed configuration to RED color. You can check what are those registers.
If you'd like addition help debugging, please create a technical support case and include your INI file and full GUI datalog. This will be helpful for our support engineers to debug.