Step 1 :
We need to create an acl.xml in the etc folder of <vendorname><module name>.
write the following code in the acl.xml file.
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Acl/etc/acl.xsd">
<acl>
<resources>
<resource id="Magento_Backend::admin">
<resource id="HomePage_ImageUpload::imageupload" title="Customer Quotes" sortOrder="51">
<resource id="HomePage_ImageUpload::all_images" title="All Quotes" sortOrder="10"/>
</resource>
<resource id="Magento_Backend::stores">
<resource id="Magento_Backend::stores_settings">
<resource id="Magento_Config::config">
<resource id="Mageplaza_HelloWorld::helloworld_config" title="Hello World"/>
</resource>
</resource>
</resource>
</resource>
</resources>
</acl>
</config>
step 2: Check whether the vendor name is the same as in the menu.xml file.
step 3: Flush Magento cache.