Flow price: --
b3b23bf4b98f0f9f9e4a3df5853232a6908509ad2aee12161ffc860da9996844

Transaction

Hash: b3b23bf4b98f0f9f9e4a3df5853232a6908509ad2aee12161ffc860da9996844
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3b23bf4b98f0f9f9e4a3df5853232a6908509ad2aee12161ffc860da9996844:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3b23bf4b98f0f9f9e4a3df5853232a6908509ad2aee12161ffc860da9996844
Status:
ERROR
Block height:
40049256
Block id:
ad57bb0e1557f4edc307dccca3c4298d748cd0ef8289dddc6b8a074af9ee6f08
Timestamp:
Monday 31 October 2022 at 13:28:11 UTC
()
Proposer:
Authorizers:
Gas used:
47