Flow price: --
d1201cb6171cd4a2a1f0b1b55279f71d013d5436694534358d40f4105298a00f

Transaction

Hash: d1201cb6171cd4a2a1f0b1b55279f71d013d5436694534358d40f4105298a00f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d1201cb6171cd4a2a1f0b1b55279f71d013d5436694534358d40f4105298a00f: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:
d1201cb6171cd4a2a1f0b1b55279f71d013d5436694534358d40f4105298a00f
Status:
ERROR
Block height:
39774198
Block id:
59b124f67d6a01a4fd5a2115af41637e06cf12c840b3a28016e7addc0cf69ac3
Timestamp:
Wednesday 26 October 2022 at 23:11:35 UTC
()
Proposer:
Authorizers:
Gas used:
46