How ro run daml sandbox in Development server

I have an error in running daml sandbox using this
daml sandbox --dar .daml/dist/overtime-0.1.0.dar --static-time,

Once I run this one I encounter this error
WARN c.d.p.a.SeedService$ - Trying to gather entropy from the underlying operating system to initialized the contract ID seeding, but the entropy pool seems empty.
WARN c.d.p.a.SeedService$ - In CI environments environment consider using the “testing-weak” mode, that may produce insecure contract IDs but does not block on startup.
Port file was not written to ‘/tmp/extra-dir-98236894392026/canton-portfile.json’ in time.
please help me to

Thanks so much in advance!

Hi @Sarah_Caloobanan. That’s not an error, it’s just a warning. By default, contract ID generation uses a secure random number generator that needs proper initialization. The warning is just a recommendation not to use this on continuous integration servers to avoid slowing down integration tests when starting up the sandbox. You can safely ignore the warning when developing locally.

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