Flow price: --
a9572c24b36ae7899b0dfcf00d8e927dd3b94080d279a853964db8f5f7468515

Transaction

Hash: a9572c24b36ae7899b0dfcf00d8e927dd3b94080d279a853964db8f5f7468515
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9572c24b36ae7899b0dfcf00d8e927dd3b94080d279a853964db8f5f7468515:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a9572c24b36ae7899b0dfcf00d8e927dd3b94080d279a853964db8f5f7468515
Status:
ERROR
Block height:
39877372
Block id:
db1a42f5e3fb6cc0b6cdb960e90c2672419231c533bae199e8e49424df1043c3
Timestamp:
Friday 28 October 2022 at 16:46:20 UTC
()
Proposer:
Authorizers:
Gas used:
47