Flow price: --
5108e830596b6e51d738e71c07ed3e73b6f2b2b7759878fc6ab9021bd14fba01

Transaction

Hash: 5108e830596b6e51d738e71c07ed3e73b6f2b2b7759878fc6ab9021bd14fba01
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5108e830596b6e51d738e71c07ed3e73b6f2b2b7759878fc6ab9021bd14fba01:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5108e830596b6e51d738e71c07ed3e73b6f2b2b7759878fc6ab9021bd14fba01
Status:
ERROR
Block height:
40164851
Block id:
90d343c8ad9ec094544d2a6ebb0abe4ec05b825b1833a63f2a5c7313b0e19ebc
Timestamp:
Wednesday 2 November 2022 at 12:16:12 UTC
()
Proposer:
Authorizers:
Gas used:
49