Flow price: --
851f2f12dbf7795d56e4f438eaa3e9fefb3f546ec25599f1825b9eec38e65046

Transaction

Hash: 851f2f12dbf7795d56e4f438eaa3e9fefb3f546ec25599f1825b9eec38e65046
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 851f2f12dbf7795d56e4f438eaa3e9fefb3f546ec25599f1825b9eec38e65046:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
851f2f12dbf7795d56e4f438eaa3e9fefb3f546ec25599f1825b9eec38e65046
Status:
ERROR
Block height:
40106246
Block id:
b5b6295f350bdb30eb50bf3b6731eee1ba2eb4dc68938ea5771e4a096bbc53f0
Timestamp:
Tuesday 1 November 2022 at 12:26:52 UTC
()
Proposer:
Authorizers:
Gas used:
63