Flow price: --
fd908a09d3b5d2d946efbe0f89ba16e91c47ba1f93455a25e62f70efbb992856

Transaction

Hash: fd908a09d3b5d2d946efbe0f89ba16e91c47ba1f93455a25e62f70efbb992856
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd908a09d3b5d2d946efbe0f89ba16e91c47ba1f93455a25e62f70efbb992856:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fd908a09d3b5d2d946efbe0f89ba16e91c47ba1f93455a25e62f70efbb992856
Status:
ERROR
Block height:
40144526
Block id:
1b33fa3690cdba395de1efeb3cff8cbb1636df00c8fbb8825cf482ab5e5cfcdc
Timestamp:
Wednesday 2 November 2022 at 04:00:26 UTC
()
Proposer:
Authorizers:
Gas used:
47