Flow price: --
69e287faff71d8cc5e31e6507fa4ae66600081c6e76304e5b65d95f73d4bcae6

Transaction

Hash: 69e287faff71d8cc5e31e6507fa4ae66600081c6e76304e5b65d95f73d4bcae6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69e287faff71d8cc5e31e6507fa4ae66600081c6e76304e5b65d95f73d4bcae6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
69e287faff71d8cc5e31e6507fa4ae66600081c6e76304e5b65d95f73d4bcae6
Status:
ERROR
Block height:
40038631
Block id:
7bc5d3b746a3f784857f152cf87ec08144ad5a01292ff65cdabe16788c30a0f9
Timestamp:
Monday 31 October 2022 at 09:10:58 UTC
()
Proposer:
Authorizers:
Gas used:
50