Flow price: --
6f48789450714d1d3b1e7deac4ba1d7ae9d93c2430ad76ddd76e8eccaf4ebc5e

Transaction

Hash: 6f48789450714d1d3b1e7deac4ba1d7ae9d93c2430ad76ddd76e8eccaf4ebc5e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6f48789450714d1d3b1e7deac4ba1d7ae9d93c2430ad76ddd76e8eccaf4ebc5e: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:
6f48789450714d1d3b1e7deac4ba1d7ae9d93c2430ad76ddd76e8eccaf4ebc5e
Status:
ERROR
Block height:
40095908
Block id:
96d4071d17bcac8c7d76c090b99f3051f0bcdbe4861c1ef47e928e1d0a5cdb95
Timestamp:
Tuesday 1 November 2022 at 08:15:48 UTC
()
Proposer:
Authorizers:
Gas used:
47