If you are receiving the pending or expired error when you tried to deposit using Neteller account as the image below :
It could be due to if you did not complete the deposit within the time frame given or it could be an issue from the Neteller site (server processor delay from Neteller) as per the image below :
Here are the steps on how to solve the Neteller deposit expired issue
Please try again to deposit using your Neteller account or you can use another available payment method to deposit.
Kindly make sure you are doing the deposit transaction within the timeframe.
If you are getting the blank page on the Neteller site, please contact Neteller customer support for further clarification.
If the funds were deducted from your Neteller account, you may contact us via LiveChat to provide us with the proof of transfer/payment in order for us to assist you further.