Flow price: --
a83055b926e9074f328a3b8f2bdc52f2e69c1d6c3a9256b8ef73f40f55b9c07e

Transaction

Hash: a83055b926e9074f328a3b8f2bdc52f2e69c1d6c3a9256b8ef73f40f55b9c07e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a83055b926e9074f328a3b8f2bdc52f2e69c1d6c3a9256b8ef73f40f55b9c07e: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:
a83055b926e9074f328a3b8f2bdc52f2e69c1d6c3a9256b8ef73f40f55b9c07e
Status:
ERROR
Block height:
39915005
Block id:
1b10e373bdceaa70d8a3c08fbd7c961446e054211a82a38819e5f43ec8e5d617
Timestamp:
Saturday 29 October 2022 at 07:46:21 UTC
()
Proposer:
Authorizers:
Gas used:
46