Flow price: --
2f9b2c4f4e4aa8e9b98cf04691eef5d3a853944aa8d6f7b8f366119f92f9b174

Transaction

Hash: 2f9b2c4f4e4aa8e9b98cf04691eef5d3a853944aa8d6f7b8f366119f92f9b174
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2f9b2c4f4e4aa8e9b98cf04691eef5d3a853944aa8d6f7b8f366119f92f9b174:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2f9b2c4f4e4aa8e9b98cf04691eef5d3a853944aa8d6f7b8f366119f92f9b174
Status:
ERROR
Block height:
40110058
Block id:
d018e766ba12b74d7a49dcc932e11e4b7bd6cb04135b05018c1082c4844fd78b
Timestamp:
Tuesday 1 November 2022 at 13:59:15 UTC
()
Proposer:
Authorizers:
Gas used:
46