Flow price: --
7058cfd932cd2a950e71551b3ad2aac13ec1d73d4b536ec957b5f8c2383fbbca

Transaction

Hash: 7058cfd932cd2a950e71551b3ad2aac13ec1d73d4b536ec957b5f8c2383fbbca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7058cfd932cd2a950e71551b3ad2aac13ec1d73d4b536ec957b5f8c2383fbbca: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:
7058cfd932cd2a950e71551b3ad2aac13ec1d73d4b536ec957b5f8c2383fbbca
Status:
ERROR
Block height:
40083445
Block id:
946787aa9d55ca123981533c6679965f4abaf04fd1a99520ee298376f77b7cfe
Timestamp:
Tuesday 1 November 2022 at 03:11:17 UTC
()
Proposer:
Authorizers:
Gas used:
46