Flow price: --
9cf854de9ca982468404c19b7c0d8e758b2296049ac6203e0917664b65a3b14d

Transaction

Hash: 9cf854de9ca982468404c19b7c0d8e758b2296049ac6203e0917664b65a3b14d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9cf854de9ca982468404c19b7c0d8e758b2296049ac6203e0917664b65a3b14d: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:
9cf854de9ca982468404c19b7c0d8e758b2296049ac6203e0917664b65a3b14d
Status:
ERROR
Block height:
40106124
Block id:
38c66ae9b13efd17daea5508a3f64c6ce024fcd0fc696181d69239fadaf3bcc0
Timestamp:
Tuesday 1 November 2022 at 12:23:55 UTC
()
Proposer:
Authorizers:
Gas used:
52