Flow price: --
012f035ef66806618701bbc1999ad79b0b0a67e78db2ed8f684a9cddea68014e

Transaction

Hash: 012f035ef66806618701bbc1999ad79b0b0a67e78db2ed8f684a9cddea68014e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 012f035ef66806618701bbc1999ad79b0b0a67e78db2ed8f684a9cddea68014e: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:
012f035ef66806618701bbc1999ad79b0b0a67e78db2ed8f684a9cddea68014e
Status:
ERROR
Block height:
40121746
Block id:
e71ec3cad4801fc49bb6e2e4d9269c60efc6489909421d88b0a033c3833f3612
Timestamp:
Tuesday 1 November 2022 at 18:43:26 UTC
()
Proposer:
Authorizers:
Gas used:
50