Error changing payment details

[tomwoodbridge]

I get this error message when trying to change payment details:
E-103147A51AA44DEEA919AC243ADF0338

[Anonymous]

Hey, send us a Private Message with your details (Username/Customer ID together with the address on file), we'll raise this to our Account Specialists Team and have them contact you to update the payment details.

How do I private message (PM) in the community

Regards,

I get this error message when trying to change payment details:
E-103147A51AA44DEEA919AC243ADF0338