Flow price: --
b0b26855707ebf509bd2fd246c6534437aa5f06d183812f7dee62635ea4dbbf9

Transaction

Hash: b0b26855707ebf509bd2fd246c6534437aa5f06d183812f7dee62635ea4dbbf9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0b26855707ebf509bd2fd246c6534437aa5f06d183812f7dee62635ea4dbbf9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b0b26855707ebf509bd2fd246c6534437aa5f06d183812f7dee62635ea4dbbf9
Status:
ERROR
Block height:
40054347
Block id:
23483692e80baa59556485abc8feff47e87b333a88a12995ee088f3b065bafaa
Timestamp:
Monday 31 October 2022 at 15:31:47 UTC
()
Proposer:
Authorizers:
Gas used:
50