Fix notice Undefined index in DataCollection (#17967)

1 files changed, 11 insertions, 0 deletions

diff --git a/core/Archive/DataCollection.php b/core/Archive/DataCollection.php
index 424ae9d964..fa045b056c 100644
--- a/core/Archive/DataCollection.php
+++ b/core/Archive/DataCollection.php
@@ -378,6 +378,17 @@ class DataCollection
 
         foreach ($this->data as $idSite => $periods) {
             foreach ($periods as $periodRange => $data) {
+                // FIXME: This hack works around a strange bug that occurs when getting
+                //         archive IDs through ArchiveProcessing instances. When a table
+                //         does not already exist, for some reason the archive ID for
+                //         today (or from two days ago) will be added to the Archive
+                //         instances list. The Archive instance will then select data
+                //         for periods outside of the requested set.
+                //         working around the bug here, but ideally, we need to figure
+                //         out why incorrect idarchives are being selected.
+                if (empty($this->periods[$periodRange])) {
+                    continue;
+                }
                 $tableMetadata = $dataTableFactory->getTableMetadataFor($idSite, $this->periods[$periodRange]);
 
                 $callable($data, $dataTableFactory, $tableMetadata);