Flow price: --
f4693f71dead89aeb60eefb617ff50c96cfe2bb7d8653c288992193018b6020e

Transaction

Hash: f4693f71dead89aeb60eefb617ff50c96cfe2bb7d8653c288992193018b6020e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f4693f71dead89aeb60eefb617ff50c96cfe2bb7d8653c288992193018b6020e: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:
f4693f71dead89aeb60eefb617ff50c96cfe2bb7d8653c288992193018b6020e
Status:
ERROR
Block height:
40033014
Block id:
840885c3566ec3b92e48106815a9921ffcbde3991ba4cfaf22d4d8a99ad15142
Timestamp:
Monday 31 October 2022 at 06:56:19 UTC
()
Proposer:
Authorizers:
Gas used:
50