Flow price: --
1435d24966c741fafb9ccb4388a85ad3d411eb2a7b2800a6996c03dfd6119ce1

Transaction

Hash: 1435d24966c741fafb9ccb4388a85ad3d411eb2a7b2800a6996c03dfd6119ce1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1435d24966c741fafb9ccb4388a85ad3d411eb2a7b2800a6996c03dfd6119ce1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1435d24966c741fafb9ccb4388a85ad3d411eb2a7b2800a6996c03dfd6119ce1
Status:
ERROR
Block height:
40044795
Block id:
8a9fdbd994842d929e703b4181fe829035bbaaf938a6fad9b86918d62f206b50
Timestamp:
Monday 31 October 2022 at 11:40:09 UTC
()
Proposer:
Authorizers:
Gas used:
46