+exception 'HttpRequestPoolException' with message 'HttpRequest object(#%d) cannot be detached from the HttpRequestPool while executing the progress callback' in %sHttpRequestPool_006.php:%d
+Stack trace:
+#0 %sHttpRequestPool_006.php(%d): HttpRequestPool->detach(Object(r))
+#1 [internal function]: r->onProgress(Array)
+#2 %sHttpRequestPool_006.php(%d): HttpRequestPool->send()
+#3 {main}
+exception 'HttpRequestPoolException' with message 'HttpRequest object(#%d) cannot be detached from the HttpRequestPool while executing the progress callback' in %sHttpRequestPool_006.php:%d
+Stack trace:
+#0 %sHttpRequestPool_006.php(%d): HttpRequestPool->detach(Object(r))
+#1 [internal function]: r->onProgress(Array)
+#2 %sHttpRequestPool_006.php(%d): HttpRequestPool->send()
+#3 {main}