Flow price: --
064e2382eb720293e1acea7a569ba2616e691144f49dc10c5c3a5fa694e41df1

Transaction

Hash: 064e2382eb720293e1acea7a569ba2616e691144f49dc10c5c3a5fa694e41df1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 064e2382eb720293e1acea7a569ba2616e691144f49dc10c5c3a5fa694e41df1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
064e2382eb720293e1acea7a569ba2616e691144f49dc10c5c3a5fa694e41df1
Status:
ERROR
Block height:
40029011
Block id:
ce38fa8ff07a5c7fcc1c3a30cc7472af973597605dd2f4883ed0aba2d8c9e185
Timestamp:
Monday 31 October 2022 at 05:19:17 UTC
()
Proposer:
Authorizers:
Gas used:
48