Flow price: --
af1b6fd056b53d6c1b24c9085527c008f8681aadf4d9415bf0b3e3010a347f17

Transaction

Hash: af1b6fd056b53d6c1b24c9085527c008f8681aadf4d9415bf0b3e3010a347f17
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af1b6fd056b53d6c1b24c9085527c008f8681aadf4d9415bf0b3e3010a347f17:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
af1b6fd056b53d6c1b24c9085527c008f8681aadf4d9415bf0b3e3010a347f17
Status:
ERROR
Block height:
40144237
Block id:
b2cabed635670864d2d7a2843f2f873b686fbbcf8f18d34cc647256650ce521a
Timestamp:
Wednesday 2 November 2022 at 03:53:31 UTC
()
Proposer:
Authorizers:
Gas used:
49