Flow price: --
085a3ba8e67b3f3319ffb7e3b3a2d0bbb2afa1a6c4543efced09a02bc051dbd0

Transaction

Hash: 085a3ba8e67b3f3319ffb7e3b3a2d0bbb2afa1a6c4543efced09a02bc051dbd0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 085a3ba8e67b3f3319ffb7e3b3a2d0bbb2afa1a6c4543efced09a02bc051dbd0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
085a3ba8e67b3f3319ffb7e3b3a2d0bbb2afa1a6c4543efced09a02bc051dbd0
Status:
ERROR
Block height:
39759055
Block id:
8874b95de8123b0a22ecd740247d9e20d2cdc3cf4e19c4e9d668b89c0d6cac55
Timestamp:
Wednesday 26 October 2022 at 17:05:30 UTC
()
Proposer:
Authorizers:
Gas used:
46