Put the Measure in X-Axis (with attached file) PLEASE HELP

File for testing: https://drive.google.com/drive/u/1/folders/1zvTjc7fTIp4j2kn2BcIpogBPrB1Crr9P

I have a Tagging for the sum of coaching sessions of each names depends on the selected date, but I can't put it in the X-Axis:

I just want it to look like this, but I can't:

Please advise. Thanks!