Flow price: --
236f94078435f0e4a1398170924094c77e5c8ddf3494610720a01d3667ce9f10

Transaction

Hash: 236f94078435f0e4a1398170924094c77e5c8ddf3494610720a01d3667ce9f10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 236f94078435f0e4a1398170924094c77e5c8ddf3494610720a01d3667ce9f10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
236f94078435f0e4a1398170924094c77e5c8ddf3494610720a01d3667ce9f10
Status:
ERROR
Block height:
40160000
Block id:
20b21f39903a9920a538c552de41f5949cba8bc42799f0698a13d0394553b7f3
Timestamp:
Wednesday 2 November 2022 at 10:18:31 UTC
()
Proposer:
Authorizers:
Gas used:
47