Flow price: --
d3054785e478f6806f71132647198e7383e5b403b20732268fc6a36ffe9a8026

Transaction

Hash: d3054785e478f6806f71132647198e7383e5b403b20732268fc6a36ffe9a8026
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d3054785e478f6806f71132647198e7383e5b403b20732268fc6a36ffe9a8026:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d3054785e478f6806f71132647198e7383e5b403b20732268fc6a36ffe9a8026
Status:
ERROR
Block height:
40092497
Block id:
dbc9d8353bb2469e2dd47a5a2079db147fe6d2c313ed5249cf5ae06420004242
Timestamp:
Tuesday 1 November 2022 at 06:52:40 UTC
()
Proposer:
Authorizers:
Gas used:
65