Thekapital.net is one more program reporting issues with AlertPay payment processor. That's why they disabled withdrawals through this system temporarily:
We have temporary disabled the withdraw system to AlertPay because there
is errors in the balance of our official AlertPay account after they applied their new policies with high yield investment programs. Our management staff are working with AlertPay staff to resolve the issue that which may take some days due to the multiple verifications that will be processed.