Flow price: --
2dd601b4a010c728cce870b6f72eaddc77950a0fa181368358de273010be8539

Transaction

Hash: 2dd601b4a010c728cce870b6f72eaddc77950a0fa181368358de273010be8539
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2dd601b4a010c728cce870b6f72eaddc77950a0fa181368358de273010be8539:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2dd601b4a010c728cce870b6f72eaddc77950a0fa181368358de273010be8539
Status:
ERROR
Block height:
39957271
Block id:
0a422ebb736fd3f706fe7932313d379b30f3adb50e1e0db9f58ea054795fad65
Timestamp:
Sunday 30 October 2022 at 00:40:50 UTC
()
Proposer:
Authorizers:
Gas used:
46