Flow price: --
1423e4199b871181e5f884849836ea4cb4656ade895e8c31908e6689618c87a3

Transaction

Hash: 1423e4199b871181e5f884849836ea4cb4656ade895e8c31908e6689618c87a3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1423e4199b871181e5f884849836ea4cb4656ade895e8c31908e6689618c87a3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1423e4199b871181e5f884849836ea4cb4656ade895e8c31908e6689618c87a3
Status:
ERROR
Block height:
40122418
Block id:
852dca2efb6f28a7d485af2c8c20ff81d71b038359109e31c9039e73b2e53dae
Timestamp:
Tuesday 1 November 2022 at 18:59:42 UTC
()
Proposer:
Authorizers:
Gas used:
46