Flow price: --
851b1165cde39667db7a9be9f6b018f9d0fdb0b609fd4b95e0cc033f29b4598b

Transaction

Hash: 851b1165cde39667db7a9be9f6b018f9d0fdb0b609fd4b95e0cc033f29b4598b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 851b1165cde39667db7a9be9f6b018f9d0fdb0b609fd4b95e0cc033f29b4598b: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:
851b1165cde39667db7a9be9f6b018f9d0fdb0b609fd4b95e0cc033f29b4598b
Status:
ERROR
Block height:
40055731
Block id:
a99a5b08078fba0bf5c766d037cfd7e764ea3d22dd32bd7c252cb7dd5b8db248
Timestamp:
Monday 31 October 2022 at 16:05:35 UTC
()
Proposer:
Authorizers:
Gas used:
46