Flow price: --
a72df8f2193740eeac8a6394d573d046d40b4250d6ee602617ae95f3f9635ce9

Transaction

Hash: a72df8f2193740eeac8a6394d573d046d40b4250d6ee602617ae95f3f9635ce9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a72df8f2193740eeac8a6394d573d046d40b4250d6ee602617ae95f3f9635ce9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a72df8f2193740eeac8a6394d573d046d40b4250d6ee602617ae95f3f9635ce9
Status:
ERROR
Block height:
39875882
Block id:
40d26b165e6cb7aafae433231753b8413ddf6d2b87dda01dc481d4634d1a8cbc
Timestamp:
Friday 28 October 2022 at 16:10:51 UTC
()
Proposer:
Authorizers:
Gas used:
50