Title: Fatal Error on loading external library Last modified: August 17, 2021 --- # Fatal Error on loading external library * Resolved [sgot](https://wordpress.org/support/users/sgot/) * (@sgot) * [4 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/) * Hi Doeke! I noticed that there was other people having a similar issue, but I decided to open another thread because I didn’t want to mix things up. * I have a website in my local env. These are the specs: Windows + Laragon PHP 7.4.20 Gravity Forms Entries in Excel 1.8.14 GravityForms 2.5.8 Wordpress 5.8 So everything is **up to date and works fine**. * My staging env is Linux/unix machine but it has pretty the same specs. When it had installed: Gravity Forms Entries in Excel 1.8.4 GravityForms 2.4.18 Wordpress 5.7.2 **everything worked well**, but when I deploy all my code I get the following error: `PHP Fatal error: require(): Failed opening required '[...]/plugins/gf- entries-in-excel/vendor/composer/../markbaker/matrix/classes/src/Functions/adjoint. php' (include_path='.:/usr/share/pear7:/usr/share/php') in [...]/plugins/gf-entries- in-excel/vendor/composer/autoload_real.php on line 71` * Those two dots between `/composer/` and `/markbaker/` (as if it’s trying to go one directory up) in my humble opinion are really the point, as the file is not found because of a wrong path. In the plugin, the directories **composer** and** markbaker** are at the same level, that is the **vendor** directory, and not one inside the other. * Can you please point me to the solution? Could maybe the server set in a particular way to not be able to interpret the dots get the correct file? * Thanks a lot! Viewing 6 replies - 1 through 6 (of 6 total) * Plugin Author [Doeke Norg](https://wordpress.org/support/users/doekenorg/) * (@doekenorg) * [4 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14776878) * Hi [@sgot](https://wordpress.org/support/users/sgot/), the path is actually correct, because the autloader is inside the `composer` folder. So it needs to go one up to `vendor` en from there on to `markbaker`. It think the files are missing. I see you have 1.8.4 installed. Any chance you could bump that to the latest version? Could be a flawed version. * Thread Starter [sgot](https://wordpress.org/support/users/sgot/) * (@sgot) * [4 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14780820) * Hi Doeke, sorry, maybe I didn’t explain well… I wrote: * > When **it had** installed: > Gravity Forms Entries in Excel 1.8.4 * and then * > when I deploy all my code (new versions from my local environment, described > above) I get the following error… * Anyways, to answer to your advice, the files are deployed correctly and they are there, in the right directory. * **BUT**, just now, while I’m writing you, I just triple checked and I realized that the remote server (accessed via SSH) has the **Functions** directory written in lowercase… * Could it be the DAMN problem??!? If so, WHO told the server to lowercase it? In my local env I have it in uppercase… 🙁 - This reply was modified 4 years, 9 months ago by [sgot](https://wordpress.org/support/users/sgot/). * Thread Starter [sgot](https://wordpress.org/support/users/sgot/) * (@sgot) * [4 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14780912) * This is the result of the `ls` command: * `Builder.php Decomposition Exception.php Functions.php Matrix.php Operators functions operations` * Together with `functions`, `operations` directory is also lowercase, while `Decomposition` and `Operators` have capital letters… * In my PC all files in this particular directory (vendor\markbaker\matrix\classes\ src) have capital letters. How is this possible? - This reply was modified 4 years, 9 months ago by [sgot](https://wordpress.org/support/users/sgot/). * Plugin Author [Doeke Norg](https://wordpress.org/support/users/doekenorg/) * (@doekenorg) * [4 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14781063) * Ah, I believe the markbaker plugins were changed recently from lower case to capital. So it used to be lower during 1.8.4. * Maybe when you copied the files it didn’t update the folder name to the uppercase. I think you can update it by hand and it should work. * Thread Starter [sgot](https://wordpress.org/support/users/sgot/) * (@sgot) * [4 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14785119) * Hi again Doeke, I confirm that the problem was the capital letter issue… * The files copy in my case was made via BitBucket, deploying the code on AWS. * For the record, and to try to help others in my same situation, the problem is that the `rsync` command, ignores changes in files and directories **names**. It checks only differences in files **content**. * Thanks a lot for your kindness. * Plugin Author [Doeke Norg](https://wordpress.org/support/users/doekenorg/) * (@doekenorg) * [4 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14785159) * Cool. Glad you got it fixed. And thank you for sharing your solution! Viewing 6 replies - 1 through 6 (of 6 total) The topic ‘Fatal Error on loading external library’ is closed to new replies. * ![](https://ps.w.org/gf-entries-in-excel/assets/icon.svg?rev=3434379) * [GravityExport Lite for Gravity Forms](https://wordpress.org/plugins/gf-entries-in-excel/) * [Frequently Asked Questions](https://wordpress.org/plugins/gf-entries-in-excel/#faq) * [Support Threads](https://wordpress.org/support/plugin/gf-entries-in-excel/) * [Active Topics](https://wordpress.org/support/plugin/gf-entries-in-excel/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/gf-entries-in-excel/unresolved/) * [Reviews](https://wordpress.org/support/plugin/gf-entries-in-excel/reviews/) * 6 replies * 2 participants * Last reply from: [Doeke Norg](https://wordpress.org/support/users/doekenorg/) * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-on-loading-external-library/#post-14785159) * Status: resolved