Flow price: --
21be19061b18ee8ae1dae993e054f2bc35d266ca1c34d933ba2d48dfba167558

Transaction

Hash: 21be19061b18ee8ae1dae993e054f2bc35d266ca1c34d933ba2d48dfba167558
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21be19061b18ee8ae1dae993e054f2bc35d266ca1c34d933ba2d48dfba167558:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21be19061b18ee8ae1dae993e054f2bc35d266ca1c34d933ba2d48dfba167558
Status:
ERROR
Block height:
39862742
Block id:
86dad472c80771dc3ffdb9b1ada9608c4dfe2e616a14f53c2c34822ea7ac01d8
Timestamp:
Friday 28 October 2022 at 10:54:46 UTC
()
Proposer:
Authorizers:
Gas used:
48