My members are having problems signing in

A number of members on my forum have had problems signing in, they are getting this message:

We have detected suspicious activity related to your account. To unblock it, please click here and complete the form.

When they fill in the form, nothing happens and they are unable to sign in.

Please could you explain why this is happening as it's not all members. Thank you

Hello,

Please read this for more info:
https://help.forumotion.com/t106781-information-only-topicmember-reporting-being-blocked-suspicious-activity-advice-please?highlight=Information

You can PM Leeloo with the usernames to fix the problem.

Thank you Jophy, I will do that

I was having the same problem earlier too

Nope not solved and they locked the only topic. I have sent a PM so can only wait

I was having same problem, thank you Jophy.