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Gurobi Help Center
Knowledge Base
Common Error Messages
Common Error Messages
Resolving error messages
Errors when running grbgetkey
grbgetkey: command not found
Communication failed
ERROR 202: Cannot get key code
ERROR 303: hostname not recognized as belonging to an academic domain
ERROR 405: Cannot reinstall license
Errors when running Gurobi
Error 10024: Web license service only available for container environments
ERROR 10009: License is for 8 cores, machine has xx
ERROR 10009: HostID mismatch
ERROR 10020: Objective Q not PSD and ERROR 10021: Quadratic equality constraints
Errors when using APIs
KeyError: 'Missing constraint index'
NoClassDefFoundError
BadImageFormatException
RStudio: Gurobi library not found
Constraint has no bool value (are you trying "lb <= expr <= ub"?)
Errors with Instant Cloud and Cluster Manager
No compatible runtime available for version X.X.X
Cluster Manager error: "Unauthorized access"
