Flow price: --
cb3f283adefba7386e3c07adcd823d03555e082a1c586236c71cb1e363830e7f

Transaction

Hash: cb3f283adefba7386e3c07adcd823d03555e082a1c586236c71cb1e363830e7f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb3f283adefba7386e3c07adcd823d03555e082a1c586236c71cb1e363830e7f: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:
cb3f283adefba7386e3c07adcd823d03555e082a1c586236c71cb1e363830e7f
Status:
ERROR
Block height:
40152863
Block id:
d3d483748f3de3d89c9094df0609fe216b7646e1606e4e7f17e7d184981b9fd8
Timestamp:
Wednesday 2 November 2022 at 07:24:22 UTC
()
Proposer:
Authorizers:
Gas used:
48