Flow price: --
f717a10e1a4d18a1662899d589bd9e8e3cb0be7c61fa18f36049b368dee8685e

Transaction

Hash: f717a10e1a4d18a1662899d589bd9e8e3cb0be7c61fa18f36049b368dee8685e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f717a10e1a4d18a1662899d589bd9e8e3cb0be7c61fa18f36049b368dee8685e: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:
f717a10e1a4d18a1662899d589bd9e8e3cb0be7c61fa18f36049b368dee8685e
Status:
ERROR
Block height:
39745488
Block id:
b0e1c0d9da9ea35f358c38f409d26921a630d1fa1e1570439044bac8b96100fd
Timestamp:
Wednesday 26 October 2022 at 11:38:29 UTC
()
Proposer:
Authorizers:
Gas used:
50