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Diagnosing dbapi.mysql Memory Exhaustion in the Evolution CMS Manager
A fatal memory error in the manager is usually a symptom of scale or query shape, not just a reason to raise the PHP memory limit and move on.
The original error looked like this:
Fatal error: Allowed memory size ... exhausted ... dbapi.mysql.class.inc.php on line 269That kind of error usually points to one of three things:
- a manager view is trying to load too much data at once
- a query is returning far more than expected
- an extension or custom workflow is materializing a large result set in memory
What not to do first
Do not treat the memory limit increase as the final fix. It may buy time, but it does not explain why the query path became so heavy.
Better approach
Profile the manager action, narrow the dataset, and check which plugin, module, or listing path is causing the load. In large Evo installations, memory errors are often structural symptoms rather than isolated PHP configuration issues.
Troubleshooting PHPMailer SMTP Connections in Hosted Environments
How to debug PHPMailer SMTP connection failures by checking host, port, protocol, and network reachability instead of guessing at mail settings.
Fixing TinyMCE Output That Adds Empty Paragraphs Around Lists
Why TinyMCE can produce extra empty paragraphs around lists and nested structures, and how to approach cleanup without breaking intentional markup.