Flow price: --
276af8e63d5a389b0db0379b0e3041753572c627973c5b10399eb05f01465707

Transaction

Hash: 276af8e63d5a389b0db0379b0e3041753572c627973c5b10399eb05f01465707
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 276af8e63d5a389b0db0379b0e3041753572c627973c5b10399eb05f01465707:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
276af8e63d5a389b0db0379b0e3041753572c627973c5b10399eb05f01465707
Status:
ERROR
Block height:
40156719
Block id:
3d8e37c7da3b0b2b70c9661acf423b015d2dd76a936a9eebbe38e0e76d6e4a0e
Timestamp:
Wednesday 2 November 2022 at 08:58:42 UTC
()
Proposer:
Authorizers:
Gas used:
46