cannot open source input file "mdb.h": No such file or directory

This error message indicates that the compiler is unable to find the header file "mdb.h", which is required by your program.

To resolve this issue, you need to make sure that the file "mdb.h" exists in the correct location and that the path to this file is included in the compiler's include path.

You may also need to install any necessary dependencies or libraries related to "mdb.h". Double-check that you have installed all the required packages and libraries, and that they are up-to-date.

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cannot open source input file mdb.h: No such file or directory

This error message indicates that the compiler cannot find the header file "mdb.h", which is required for your program to compile successfully.

To fix this error, you need to ensure that the header file "mdb.h" is present in a directory that is included in the compiler's search paths. Here are some steps you can try:

1. Check if the header file "mdb.h" is present in your project directory or any of its subdirectories. If it is, you can add the directory to the compiler's search paths using the -I flag. For example, if the header file is located in the directory "path/to/header/", you can add the following flag to your compiler command: -I/path/to/header/

2. If the header file is not present in your project directory, you may need to install the library that provides the header file. The name of the library may vary depending on your operating system and package manager. For example, on Ubuntu, you can install the "libmdb-dev" package using the following command: sudo apt-get install libmdb-dev

3. If you have already installed the library, but the header file is still not found, you may need to update the compiler's search paths manually. You can do this by adding the directory containing the header file to the "include" path of your compiler. For example, if you are using GCC, you can add the following flag to your compiler command: -I/usr/include/mdb/

I hope this helps you resolve the issue! Let me know if you have any further questions.