Flow price: --
6539f463cd36ff8ac1dca79addc25217a09d667c5b1ccfdf49c1aa01f4aac7c4

Transaction

Hash: 6539f463cd36ff8ac1dca79addc25217a09d667c5b1ccfdf49c1aa01f4aac7c4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6539f463cd36ff8ac1dca79addc25217a09d667c5b1ccfdf49c1aa01f4aac7c4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6539f463cd36ff8ac1dca79addc25217a09d667c5b1ccfdf49c1aa01f4aac7c4
Status:
ERROR
Block height:
40105004
Block id:
db58c14504b26739881dfb38233b724769b9a23ba93a0ab0dd45191ad74a2ec2
Timestamp:
Tuesday 1 November 2022 at 11:56:49 UTC
()
Proposer:
Authorizers:
Gas used:
47