Flow price: --
82df602efc6a716ccbde3a500da3d308545a711e3e63f07ad5c89ebc72e09fda

Transaction

Hash: 82df602efc6a716ccbde3a500da3d308545a711e3e63f07ad5c89ebc72e09fda
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 82df602efc6a716ccbde3a500da3d308545a711e3e63f07ad5c89ebc72e09fda: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:
82df602efc6a716ccbde3a500da3d308545a711e3e63f07ad5c89ebc72e09fda
Status:
ERROR
Block height:
40086705
Block id:
8defcd7204f1f32eb0eeed6d384689e268298dd3113b683611020af189bd8664
Timestamp:
Tuesday 1 November 2022 at 04:31:15 UTC
()
Proposer:
Authorizers:
Gas used:
47