Flow price: --
5d692b81e35207bbe9e35b83d8440a6a71f0ce1ff5ea69bdb510ddef158e9e22

Transaction

Hash: 5d692b81e35207bbe9e35b83d8440a6a71f0ce1ff5ea69bdb510ddef158e9e22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5d692b81e35207bbe9e35b83d8440a6a71f0ce1ff5ea69bdb510ddef158e9e22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5d692b81e35207bbe9e35b83d8440a6a71f0ce1ff5ea69bdb510ddef158e9e22
Status:
ERROR
Block height:
39982923
Block id:
76582fcbb16bb89ccdb333a4cd16eb1d25fa0273fe5626ce7a13ac84cd38bfaf
Timestamp:
Sunday 30 October 2022 at 10:55:10 UTC
()
Proposer:
Authorizers:
Gas used:
47