Flow price: --
871aa8e51a72be858e3b547027d05a26db87c9f681fe41c65d788740d00c7b57

Transaction

Hash: 871aa8e51a72be858e3b547027d05a26db87c9f681fe41c65d788740d00c7b57
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 871aa8e51a72be858e3b547027d05a26db87c9f681fe41c65d788740d00c7b57:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
871aa8e51a72be858e3b547027d05a26db87c9f681fe41c65d788740d00c7b57
Status:
ERROR
Block height:
39807695
Block id:
036d37540683d7079d593a05603717553c740d9d95d954211bd2c165efbed25f
Timestamp:
Thursday 27 October 2022 at 12:41:42 UTC
()
Proposer:
Authorizers:
Gas used:
46