What is the issue with importing a module from a self-created package causing an error in the tsconfig.json file in TypeScript?

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The issue with importing a module from a self-created package causing an error in the tsconfig.json file in TypeScript is likely due to a misconfiguration in the tsconfig.json file. The tsconfig.json file specifies the configuration options for the TypeScript compiler, and it is possible that the paths and/or aliases for the self-created package are not configured correctly, resulting in the compiler being unable to resolve the module import during the compilation process. This can be fixed by ensuring that the tsconfig.json file is properly configured with the correct paths and aliases for the self-created package.