Flow price: --
59472d97defb8e976c6afe260a2a1721fb1e25e3308f98e62d12a44e6cfb1223

Transaction

Hash: 59472d97defb8e976c6afe260a2a1721fb1e25e3308f98e62d12a44e6cfb1223
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59472d97defb8e976c6afe260a2a1721fb1e25e3308f98e62d12a44e6cfb1223:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
59472d97defb8e976c6afe260a2a1721fb1e25e3308f98e62d12a44e6cfb1223
Status:
ERROR
Block height:
40147616
Block id:
711c2078e37367c2a5d3c39d5098d8e20d09d3a44b9b9d51849b2573a7cf1d27
Timestamp:
Wednesday 2 November 2022 at 05:16:03 UTC
()
Proposer:
Authorizers:
Gas used:
47