Flow price: --
767939ebc475d5fd5a379180c80d6a8f7d8a1cade9628c381a78a980c3f9800d

Transaction

Hash: 767939ebc475d5fd5a379180c80d6a8f7d8a1cade9628c381a78a980c3f9800d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 767939ebc475d5fd5a379180c80d6a8f7d8a1cade9628c381a78a980c3f9800d: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:
767939ebc475d5fd5a379180c80d6a8f7d8a1cade9628c381a78a980c3f9800d
Status:
ERROR
Block height:
40139885
Block id:
e7dcb7ef502272fff02e3e5729edc8d655e205e7f6ed96f38c2c87564742c8aa
Timestamp:
Wednesday 2 November 2022 at 02:07:46 UTC
()
Proposer:
Authorizers:
Gas used:
47