{"id":13728,"date":"2026-03-04T12:58:06","date_gmt":"2026-03-04T12:58:06","guid":{"rendered":"https:\/\/3dcoat.com\/documentation\/?post_type=manual_documentation&#038;p=13728"},"modified":"2026-03-04T12:58:08","modified_gmt":"2026-03-04T12:58:08","slug":"error-libicuuc-so-70","status":"publish","type":"manual_documentation","link":"https:\/\/3dcoat.com\/documentation\/manual\/getting-started\/linux-setup\/error-libicuuc-so-70\/","title":{"rendered":"Error libicuuc.so.70"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">on Fedora 43 KDE<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p>Grakino said:<\/p>\n\n\n\n<p>Fedora 43 KDE. I&#8217;ve go an error for 3DCoat 2026.01:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>error while loading shared libraries: libicuuc.so.70: cannot open shared object file: No such file or director<\/em><\/li>\n<\/ul>\n\n\n\n<p>I managed to fix this problem. I downloaded the necessary library from pkgs.org and installed all the libraries in LinuxLibs. It worked, and the program is working now.<\/p>\n\n\n\n<p>But there is one thing that bothers me. <br \/>According to pkgs.org, Libicu70 is only available for Ubuntu 22.04 LTS. <br \/>I am afraid that owners of the current 24.04.4 LTS may encounter this problem. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"293\" src=\"https:\/\/3dcoat.com\/documentation\/wp-content\/uploads\/2026\/03\/image.png?wsr\" alt=\"\" class=\"wp-image-13729\" srcset=\"https:\/\/3dcoat.com\/documentation\/wp-content\/uploads\/2026\/03\/image.png 800w, https:\/\/3dcoat.com\/documentation\/wp-content\/uploads\/2026\/03\/image-300x110.png 300w, https:\/\/3dcoat.com\/documentation\/wp-content\/uploads\/2026\/03\/image-768x281.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">On Manjaro XFCE<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p>Lazyghould said:<\/p>\n\n\n\n<p>Same thing on Manjaro XFCE. Did the same, installed the libraries in Linuxlibs folder. Although my Linux knowledge is extremely limited, maybe someone will find something useful from the steps I took:<br \/>*********************<\/p>\n\n\n\n<p>1. Install basic build tools (one time). Run these commands in a terminal:<br \/>sudo pacman -S &#8211;needed base-devel gcc make pkgconf<br \/>2.Create a working directory and download the archive:<br \/>cd ~\/Software<br \/>mkdir -p icu70-src<br \/>cd icu70-src <br \/>wget https:\/\/github.com\/unicode-org\/icu\/releases\/download\/release-70-1\/icu4c-70_1-src.tgz<br \/><br \/>3.Unpack it:<br \/>tar xf icu4c-70_1-src.tgz<br \/>cd icu\/source<br \/><br \/>4.Configure ICU to install under your home. Install it under ~\/Software\/icu70-local so it doesn\u2019t touch system \/usr:<br \/>mkdir -p ~\/Software\/icu70-local <br \/>.\/configure &#8211;prefix=$HOME\/Software\/icu70-local<br \/><br \/>5.Build and install ICU 70 locally.This may take a few minutes:<br \/>make -j$(nproc)<br \/>make install<br \/><br \/>6. After this, the libraries will be under:<br \/>ls $HOME\/Software\/icu70-local\/lib<br \/>You should see files like:<br \/>libicuuc.so.70<br \/>libicui18n.so.70<br \/>libicudata.so.70<br \/>\u00a0 \u00a0 (and a few others)<br \/><br \/>7.Copy required ICU 70 libs into LinuxLibs:<br \/>cd ~\/Software\/3DCoat-2026.01<\/p>\n\n\n\n<p>cp ~\/Software\/icu70-local\/lib\/libicuuc.so.70* LinuxLibs\/<br \/>cp ~\/Software\/icu70-local\/lib\/libicui18n.so.70* LinuxLibs\/<br \/>cp ~\/Software\/icu70-local\/lib\/libicudata.so.70* LinuxLibs\/<br \/><br \/>Because LD_LIBRARY_PATH already points to LinuxLibs first, 3DCoat should now find libicuuc.so.70 and continue starting.<\/p>\n\n\n\n<p>*********************<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":9137,"menu_order":5,"template":"","manualdocumentationcategory":[9],"manual_doc_tag":[],"class_list":["post-13728","manual_documentation","type-manual_documentation","status-publish","hentry","manualdocumentationcategory-manual"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - 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