Flow price: --
a219a8b6513ea41477c354fa9fc0fadc56c2f776bfd57cd1c39ac2ab3fd1241e

Transaction

Hash: a219a8b6513ea41477c354fa9fc0fadc56c2f776bfd57cd1c39ac2ab3fd1241e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a219a8b6513ea41477c354fa9fc0fadc56c2f776bfd57cd1c39ac2ab3fd1241e: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:
a219a8b6513ea41477c354fa9fc0fadc56c2f776bfd57cd1c39ac2ab3fd1241e
Status:
ERROR
Block height:
39895771
Block id:
8e947c5c2a3c97680b8d1d69bd4af37f8bfbb4b66b96fc81733251e24c35e737
Timestamp:
Saturday 29 October 2022 at 00:04:37 UTC
()
Proposer:
Authorizers:
Gas used:
48