Flow price: --
ac31314323d6c9ddb1bcc57e9749cfcef4ad324522e7cf3fea4917ec15310655

Transaction

Hash: ac31314323d6c9ddb1bcc57e9749cfcef4ad324522e7cf3fea4917ec15310655
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac31314323d6c9ddb1bcc57e9749cfcef4ad324522e7cf3fea4917ec15310655:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ac31314323d6c9ddb1bcc57e9749cfcef4ad324522e7cf3fea4917ec15310655
Status:
ERROR
Block height:
40052957
Block id:
38144941a32e253980702df43c69729a825242b54fef58c73c459fa5773a287a
Timestamp:
Monday 31 October 2022 at 14:57:49 UTC
()
Proposer:
Authorizers:
Gas used:
50