Flow price: --
e221a03373d8caa7d1f8257077c19dfc6f3306ac333aff26e436fae07c6cd792

Transaction

Hash: e221a03373d8caa7d1f8257077c19dfc6f3306ac333aff26e436fae07c6cd792
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e221a03373d8caa7d1f8257077c19dfc6f3306ac333aff26e436fae07c6cd792:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e221a03373d8caa7d1f8257077c19dfc6f3306ac333aff26e436fae07c6cd792
Status:
ERROR
Block height:
39851704
Block id:
e9f8f0e9ff7aefed3172531ec1930b5195601dd2b526393bfd30f7f42a5fa128
Timestamp:
Friday 28 October 2022 at 06:27:13 UTC
()
Proposer:
Authorizers:
Gas used:
50