Flow price: --
bd984981a3ea16d79bfabca7d5447fca10c205dda090a9ef9b0cb7e8734246eb

Transaction

Hash: bd984981a3ea16d79bfabca7d5447fca10c205dda090a9ef9b0cb7e8734246eb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd984981a3ea16d79bfabca7d5447fca10c205dda090a9ef9b0cb7e8734246eb: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:
bd984981a3ea16d79bfabca7d5447fca10c205dda090a9ef9b0cb7e8734246eb
Status:
ERROR
Block height:
39853265
Block id:
bcf2ea9fea4600e70e6bcf834ca47d0315a2373442f27b6092cda6e020513674
Timestamp:
Friday 28 October 2022 at 07:05:32 UTC
()
Proposer:
Authorizers:
Gas used:
46