To fix above error, kindly follow the below steps
Open PluginListGenerator.php file located at vendor/magento/framework/Interception.
Go to line no 414 or find the word “scopePriorityScheme” in PluginListGenerator.php file.
Replace the line
"$cacheId = implode('|', $this->scopePriorityScheme) . "|" . $this->cacheId;"
with
"$cacheId = implode('-', $this->scopePriorityScheme) . "-" . $this->cacheId;"
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