Language variables of filesystem exception should moved from acp/common.php to common.php, because filesystem component is not only used in the acp.
Also they should start with "FILESYSTEM_". Example: FILESYSTEM_FILE_EXISTS
Language variables of filesystem exception should moved from acp/common.php to common.php, because filesystem component is not only used in the acp.
Also they should start with "FILESYSTEM_". Example: FILESYSTEM_FILE_EXISTS