Flow price: --
a302a7590f3091bad867b40fd22fb3ef4235169238118258c6a15bda67b76b4b

Transaction

Hash: a302a7590f3091bad867b40fd22fb3ef4235169238118258c6a15bda67b76b4b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a302a7590f3091bad867b40fd22fb3ef4235169238118258c6a15bda67b76b4b: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:
a302a7590f3091bad867b40fd22fb3ef4235169238118258c6a15bda67b76b4b
Status:
ERROR
Block height:
39831578
Block id:
176589f17e87a6c23873f16acc2d199b520ea15480a40ebb11b26b1ad1448fbe
Timestamp:
Thursday 27 October 2022 at 22:21:27 UTC
()
Proposer:
Authorizers:
Gas used:
46