Flow price: --
aad147ab040ca2e2b9924ecc3211931a617ed9b65142604e993b1bc54d7aab73

Transaction

Hash: aad147ab040ca2e2b9924ecc3211931a617ed9b65142604e993b1bc54d7aab73
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> aad147ab040ca2e2b9924ecc3211931a617ed9b65142604e993b1bc54d7aab73:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
aad147ab040ca2e2b9924ecc3211931a617ed9b65142604e993b1bc54d7aab73
Status:
ERROR
Block height:
40142407
Block id:
d1fd69d2cd67720cb62268f1914e95fd5f1fbc5a863bc1925dcfceb0eb6597ec
Timestamp:
Wednesday 2 November 2022 at 03:08:56 UTC
()
Proposer:
Authorizers:
Gas used:
46