Flow price: --
a5940099aaf01cf36ff0b5f6623b6954427858ed30d7a12278e751169e8bea03

Transaction

Hash: a5940099aaf01cf36ff0b5f6623b6954427858ed30d7a12278e751169e8bea03
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a5940099aaf01cf36ff0b5f6623b6954427858ed30d7a12278e751169e8bea03:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a5940099aaf01cf36ff0b5f6623b6954427858ed30d7a12278e751169e8bea03
Status:
ERROR
Block height:
40038156
Block id:
507947fc0e124ba35ea59d350182db0024327627e2d616307226236480ea4a5b
Timestamp:
Monday 31 October 2022 at 08:59:15 UTC
()
Proposer:
Authorizers:
Gas used:
39