Flow price: --
a66c5fe204b5e7233d5594b9a09af5f96f7dee3e5e25657c10ac57cb3fd8448e

Transaction

Hash: a66c5fe204b5e7233d5594b9a09af5f96f7dee3e5e25657c10ac57cb3fd8448e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a66c5fe204b5e7233d5594b9a09af5f96f7dee3e5e25657c10ac57cb3fd8448e: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:
a66c5fe204b5e7233d5594b9a09af5f96f7dee3e5e25657c10ac57cb3fd8448e
Status:
ERROR
Block height:
40107536
Block id:
27885fb4a0e49cf7fbf39d2f4a5d4952081816c1b384d244e472f3a30c92c8c7
Timestamp:
Tuesday 1 November 2022 at 12:58:06 UTC
()
Proposer:
Authorizers:
Gas used:
49