Flow price: --
fe29ce3c7c30dc0ecef1a6b893ff2219bdd1cd712d7cc69a3ed83bc9465a22f6

Transaction

Hash: fe29ce3c7c30dc0ecef1a6b893ff2219bdd1cd712d7cc69a3ed83bc9465a22f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe29ce3c7c30dc0ecef1a6b893ff2219bdd1cd712d7cc69a3ed83bc9465a22f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fe29ce3c7c30dc0ecef1a6b893ff2219bdd1cd712d7cc69a3ed83bc9465a22f6
Status:
ERROR
Block height:
39920579
Block id:
54995660783f8f1b9fbed6d175b0d31a2c2ef27b85d2879a2403f69cfc520394
Timestamp:
Saturday 29 October 2022 at 10:00:43 UTC
()
Proposer:
Authorizers:
Gas used:
47