Flow price: --
61c886d3fddb90f05983d48bf31a188b6120ec14ff4bc16f45822f1fa9362bda

Transaction

Hash: 61c886d3fddb90f05983d48bf31a188b6120ec14ff4bc16f45822f1fa9362bda
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 61c886d3fddb90f05983d48bf31a188b6120ec14ff4bc16f45822f1fa9362bda: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:
61c886d3fddb90f05983d48bf31a188b6120ec14ff4bc16f45822f1fa9362bda
Status:
ERROR
Block height:
40097113
Block id:
9c920dd3625a1e97d233200203f79da2ecbcadde153df78e75d486f7270d7bdb
Timestamp:
Tuesday 1 November 2022 at 08:44:50 UTC
()
Proposer:
Authorizers:
Gas used:
47