Flow price: --
d64b9fe1620132d3eca12175519f2116feab8f284e465ff50828c4d81bd3f1ba

Transaction

Hash: d64b9fe1620132d3eca12175519f2116feab8f284e465ff50828c4d81bd3f1ba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d64b9fe1620132d3eca12175519f2116feab8f284e465ff50828c4d81bd3f1ba: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:
d64b9fe1620132d3eca12175519f2116feab8f284e465ff50828c4d81bd3f1ba
Status:
ERROR
Block height:
39929823
Block id:
5fffbdb0d1310e885e4e9f164ea61d343c2a47bb488fd077558a1b5e1ce1bcf9
Timestamp:
Saturday 29 October 2022 at 13:44:40 UTC
()
Proposer:
Authorizers:
Gas used:
58