Flow price: --
1a531fceab2704f33b47dc0b9c0eaac49801d5512f96f4e70965e727685f73f4

Transaction

Hash: 1a531fceab2704f33b47dc0b9c0eaac49801d5512f96f4e70965e727685f73f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a531fceab2704f33b47dc0b9c0eaac49801d5512f96f4e70965e727685f73f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a531fceab2704f33b47dc0b9c0eaac49801d5512f96f4e70965e727685f73f4
Status:
ERROR
Block height:
40083874
Block id:
334b73757a4d86e80c60eec0c23d0581f6374eadaa378c9a13a8a1948add231d
Timestamp:
Tuesday 1 November 2022 at 03:22:02 UTC
()
Proposer:
Authorizers:
Gas used:
46