Do you try to install it on PS8?
Between 1.7 and 8, not a big difference. Some controllers moved on to the Symfony framework.
If you get the issue "red screen" - attach that here. Maybe I'll fix
this is the error when i try to ci=onfigure:
Error:
Attempt to modify property "value" on null
at var/cache/dev/smarty/compile/e2/1d/af/e21daff20481cd1aa6ba4c0db7f00cb4bb4d9af9_0.file.doc_tree.tpl.php:32
at content_64c46c4c935c25_18604703()
(vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php:123)
at Smarty_Template_Resource_Base->getRenderedTemplateCode()
(vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php:114)
at Smarty_Template_Compiled->render()
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php:217)
at Smarty_Internal_Template->render()
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php:386)
at Smarty_Internal_Template->_subTemplateRender()
(var/cache/dev/smarty/compile/ab/3f/43/ab3f43640ef23d24472ca71efc4260db31997ffb_0.file.documentation.tpl.php:44)
at content_64c46c4c918225_96009042()
(vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php:123)
at Smarty_Template_Resource_Base->getRenderedTemplateCode()
(vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php:114)
at Smarty_Template_Compiled->render()
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php:217)
at Smarty_Internal_Template->render()
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php:238)
at Smarty_Internal_TemplateBase->_execute()
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php:116)
at Smarty_Internal_TemplateBase->fetch()
(modules/userbalance/classes/tools/ToolsModuleUB.php:228)
at ToolsModuleUB::fetchTemplate()
(modules/userbalance/classes/tools/ModuleContainerUB.php:312)
at ModuleContainerUB->getDocumentation()
(modules/userbalance/classes/tools/ModuleContainerUB.php:321)
at ModuleContainerUB->getContent()
(modules/userbalance/userbalance.php:943)
at UserBalance->getContent()
(controllers/admin/AdminModulesController.php:696)
at AdminModulesControllerCore->postProcessCallback()
(controllers/admin/AdminModulesController.php:921)
at AdminModulesControllerCore->postProcess()
(classes/controller/Controller.php:308)
at ControllerCore->run()
(classes/Dispatcher.php:510)
at DispatcherCore->dispatch()
(admin171ptuznyphxrktnqv6/index.php:92)