Flow price: --
1b9d01c88452804ed3fb3570b6d8f5ea608b36e97f2165d8619e37d51d34d68e

Transaction

Hash: 1b9d01c88452804ed3fb3570b6d8f5ea608b36e97f2165d8619e37d51d34d68e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b9d01c88452804ed3fb3570b6d8f5ea608b36e97f2165d8619e37d51d34d68e: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:
1b9d01c88452804ed3fb3570b6d8f5ea608b36e97f2165d8619e37d51d34d68e
Status:
ERROR
Block height:
40018136
Block id:
7717d738e0f98e0c415989fd6d8df8977d4270a7224985166c7afdd81bf88ee0
Timestamp:
Monday 31 October 2022 at 00:57:37 UTC
()
Proposer:
Authorizers:
Gas used:
50