Flow price: --
021759ed1ff754a7d3fd1e2605bcc897542e55705e7da2cbace78ac5d920e34a

Transaction

Hash: 021759ed1ff754a7d3fd1e2605bcc897542e55705e7da2cbace78ac5d920e34a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 021759ed1ff754a7d3fd1e2605bcc897542e55705e7da2cbace78ac5d920e34a: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:
021759ed1ff754a7d3fd1e2605bcc897542e55705e7da2cbace78ac5d920e34a
Status:
ERROR
Block height:
39854624
Block id:
bc7f8a97aa43a5a3dca0eb221881358b2903c169ba242f8281c9b881f3d76632
Timestamp:
Friday 28 October 2022 at 07:39:08 UTC
()
Proposer:
Authorizers:
Gas used:
62