BizTalk Pipeline Component problem – Component ‘…’ could not be initialized. Pipeline component ‘…’ could not be resolved (is an assembly reference mi

SOLUTION
• Rebuild pipeline component in Visual Studio
• Shutdown Visual Studio
• Deploy the component (copy to “C:\Program Files\Microsoft BizTalk Server …\Pipeline Components”)
• Restart BizTalk Host Instances
These steps solved my problem
Other possible solutions
Solution 1
• Some external assemblies are missing
• Copy the missing assemblies in the Pipeline components folder or in GAC
Solution 2
• Restart the system