Flow price: --
9865b84d99a7858caa22a307089ecf1cd2d882132c7eeae62e414f658a1cb785

Transaction

Hash: 9865b84d99a7858caa22a307089ecf1cd2d882132c7eeae62e414f658a1cb785
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9865b84d99a7858caa22a307089ecf1cd2d882132c7eeae62e414f658a1cb785:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9865b84d99a7858caa22a307089ecf1cd2d882132c7eeae62e414f658a1cb785
Status:
ERROR
Block height:
39754702
Block id:
370a8d872418be7989cd9e2ccbf65d02874912bafc82876ddd48619fa3a9b6c0
Timestamp:
Wednesday 26 October 2022 at 15:20:06 UTC
()
Proposer:
Authorizers:
Gas used:
46