Memory card will not stay in slot.

The memory card will not stay in it's spot, keeps springing out. The camera shows "memory card error.

What do i need to do to fix this problem?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0