Since I updated the system to Mojave, Calendar has started sending duplicate emails as event alerts. Sometimes I get as many as 13-15 copies of the same alert. Has anyone had the same problem, and know a fix?

Hardware Overview:

  • Model Name: MacBook Pro
  • Model Identifier: MacBookPro11,3
  • Processor Name: Intel Core i7
  • Processor Speed: 2.5 GHz
  • Number of Processors: 1
  • Total Number of Cores: 4
  • L2 Cache (per Core): 256 KB
  • L3 Cache: 6 MB
  • Hyper-Threading Technology: Enabled
  • Memory: 16 GB

System Software Overview:

  • System Version: macOS 10.14.5 (18F132)
  • Kernel Version: Darwin 18.6.0
  • Boot Volume: 15-MacbookPro HD
  • Boot Mode: Normal

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