Flow price: --
c5bda969e8a3711f69c24fe529f3ed8f713f49fe907e71b9739e8565bdb0a628

Transaction

Hash: c5bda969e8a3711f69c24fe529f3ed8f713f49fe907e71b9739e8565bdb0a628
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c5bda969e8a3711f69c24fe529f3ed8f713f49fe907e71b9739e8565bdb0a628:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c5bda969e8a3711f69c24fe529f3ed8f713f49fe907e71b9739e8565bdb0a628
Status:
ERROR
Block height:
39915876
Block id:
abfafb4914c04ff58ed4e560b98217e255de27250cec0cab1e095e2c580d3fa1
Timestamp:
Saturday 29 October 2022 at 08:07:24 UTC
()
Proposer:
Authorizers:
Gas used:
39