Flow price: --
5e6f81a6525899d7137042b48bd4bbe857b5e157c18ff7f3e7febede5acec7c2

Transaction

Hash: 5e6f81a6525899d7137042b48bd4bbe857b5e157c18ff7f3e7febede5acec7c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e6f81a6525899d7137042b48bd4bbe857b5e157c18ff7f3e7febede5acec7c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5e6f81a6525899d7137042b48bd4bbe857b5e157c18ff7f3e7febede5acec7c2
Status:
ERROR
Block height:
40052486
Block id:
29169ed71e9522586146d87ec63a94483577ecafa4489d543b6b98cbe72b3434
Timestamp:
Monday 31 October 2022 at 14:46:22 UTC
()
Proposer:
Authorizers:
Gas used:
48