Flow price: --
b0c6d9393d71523f1854b1ba69e8ef9890b919d42c948f2b48a03a72d776d17c

Transaction

Hash: b0c6d9393d71523f1854b1ba69e8ef9890b919d42c948f2b48a03a72d776d17c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0c6d9393d71523f1854b1ba69e8ef9890b919d42c948f2b48a03a72d776d17c: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:
b0c6d9393d71523f1854b1ba69e8ef9890b919d42c948f2b48a03a72d776d17c
Status:
ERROR
Block height:
40151189
Block id:
ea19f9e7eef88265f14417cac1467f7f4ff9be1cefe85fc6a8d887b3f4fe1ab3
Timestamp:
Wednesday 2 November 2022 at 06:43:24 UTC
()
Proposer:
Authorizers:
Gas used:
50