Flow price: --
cf533efa909a37ea4c531de8699c4ec33a7c9ff7b703fff2429c6376768de477

Transaction

Hash: cf533efa909a37ea4c531de8699c4ec33a7c9ff7b703fff2429c6376768de477
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cf533efa909a37ea4c531de8699c4ec33a7c9ff7b703fff2429c6376768de477:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cf533efa909a37ea4c531de8699c4ec33a7c9ff7b703fff2429c6376768de477
Status:
ERROR
Block height:
40165155
Block id:
d2aea5c413703f04ce8f393919e3191a3fabf0e8177778af5e0cd6c8ef9d280e
Timestamp:
Wednesday 2 November 2022 at 12:23:27 UTC
()
Proposer:
Authorizers:
Gas used:
47