The last lead

I'm in the process of building my first 12v lifepo4 battery but the BMS test is rather concerning.
My leads test fine at 3.3, 6.6, 9.9, but when I test the last lead my meter goes crazy!
I'm hesitant to go any further until I have the issue cleared up.
Any suggestions? Tia

Suggestions:

• Please post pics of your battery build so we can see how everything is connected.
• Tell us what BMS you are using.
• Please explain & provide pics/vid of your meter “going crazy” (I can’t imagine what you mean by that).

Without more details it’s very difficult to assist you. Looking forward to the info.

It was a faulty connection on the lead. Thanks