Flow price: --
bb35932d5495acd78f87a577f3b902cddf6910e40cb7d2fa22b5c17818fb823d

Transaction

Hash: bb35932d5495acd78f87a577f3b902cddf6910e40cb7d2fa22b5c17818fb823d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb35932d5495acd78f87a577f3b902cddf6910e40cb7d2fa22b5c17818fb823d: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:
bb35932d5495acd78f87a577f3b902cddf6910e40cb7d2fa22b5c17818fb823d
Status:
ERROR
Block height:
40113739
Block id:
53beb1061008785a1e7bf2e54fd645229f1385e4a9633fe8e76cc23ed30cc377
Timestamp:
Tuesday 1 November 2022 at 15:28:31 UTC
()
Proposer:
Authorizers:
Gas used:
46