Limited number of red envelopes: limited number of red envelopes. Once you grab the number of red envelopes, you can't grab them.
Network problem: If your network connection is unstable or too slow, you may not be able to grab the red envelope. You can try changing the network or using a faster network connection.
The time to grab a red envelope is too slow: If your reaction speed is not fast enough, you may also fail to grab a red envelope. You can try to practice your reaction speed, or grab a red envelope with faster equipment.
Red envelope setting problem: If there is a problem with the red envelope setting, it may also lead to the failure of grabbing the red envelope. You can try to check the settings of the red envelope, or contact the game customer service for help.
In short, if you can't grab the red envelope in the mini world, you can try to check the network connection, improve the response speed, check the red envelope settings or contact the game customer service for help.