Flow price: --
821e00904758a33dfb0d8ab39fdd234a67568c6eaee2b4b6850e439b3845f081

Transaction

Hash: 821e00904758a33dfb0d8ab39fdd234a67568c6eaee2b4b6850e439b3845f081
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 821e00904758a33dfb0d8ab39fdd234a67568c6eaee2b4b6850e439b3845f081:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
821e00904758a33dfb0d8ab39fdd234a67568c6eaee2b4b6850e439b3845f081
Status:
ERROR
Block height:
40037480
Block id:
8e99c2cfa8be6169829056b8a57dd69e0af823ecc31d98d39dfe0d30d500b98e
Timestamp:
Monday 31 October 2022 at 08:42:37 UTC
()
Proposer:
Authorizers:
Gas used:
50