Flow price: --
20f6c4c6d5206fe8434f3dd461f7d7e97e920365bad8354286abaefbafffe219

Transaction

Hash: 20f6c4c6d5206fe8434f3dd461f7d7e97e920365bad8354286abaefbafffe219
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20f6c4c6d5206fe8434f3dd461f7d7e97e920365bad8354286abaefbafffe219:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
20f6c4c6d5206fe8434f3dd461f7d7e97e920365bad8354286abaefbafffe219
Status:
ERROR
Block height:
40057012
Block id:
78a3515380a1a9e58ada4dee0ba5432ddd40874116dbb593a915f612f602f0ca
Timestamp:
Monday 31 October 2022 at 16:37:15 UTC
()
Proposer:
Authorizers:
Gas used:
50