Flow price: --
f9dd43895415704f10f2f0fbb14ebdd5a31e2dc11dbebe6f05bb908233bb2d4c

Transaction

Hash: f9dd43895415704f10f2f0fbb14ebdd5a31e2dc11dbebe6f05bb908233bb2d4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9dd43895415704f10f2f0fbb14ebdd5a31e2dc11dbebe6f05bb908233bb2d4c: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:
f9dd43895415704f10f2f0fbb14ebdd5a31e2dc11dbebe6f05bb908233bb2d4c
Status:
ERROR
Block height:
39877984
Block id:
85da62b01cea093a5527d339a1f4f4bca128fd6de651a1770d937c87e516058c
Timestamp:
Friday 28 October 2022 at 17:01:00 UTC
()
Proposer:
Authorizers:
Gas used:
49