Flow price: --
816d9f226b62c34f7aeabab154db6a6a56349a3c61be5bf8931658441ef58fcf

Transaction

Hash: 816d9f226b62c34f7aeabab154db6a6a56349a3c61be5bf8931658441ef58fcf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 816d9f226b62c34f7aeabab154db6a6a56349a3c61be5bf8931658441ef58fcf: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:
816d9f226b62c34f7aeabab154db6a6a56349a3c61be5bf8931658441ef58fcf
Status:
ERROR
Block height:
39985980
Block id:
f961ec327aa897840d55e48fffca7ed0a37bed91c709f22e89c2a063bdc9498f
Timestamp:
Sunday 30 October 2022 at 12:09:25 UTC
()
Proposer:
Authorizers:
Gas used:
50