Flow price: --
946ac961b5f3113c5f17f500b927aec7f2a2b65f07a419c24b125dabc7f30613

Transaction

Hash: 946ac961b5f3113c5f17f500b927aec7f2a2b65f07a419c24b125dabc7f30613
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 946ac961b5f3113c5f17f500b927aec7f2a2b65f07a419c24b125dabc7f30613:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
946ac961b5f3113c5f17f500b927aec7f2a2b65f07a419c24b125dabc7f30613
Status:
ERROR
Block height:
39985549
Block id:
a31b0de228f59e78382eee09cc08a7577fc4fca7f908284c96dc2c7786552502
Timestamp:
Sunday 30 October 2022 at 11:59:04 UTC
()
Proposer:
Authorizers:
Gas used:
47