All Israel heard say that Saul had struck the garrison of the Philistines, and also that Israel was had in abomination with the Philistines. The people were gathered together after Saul to Gilgal.
The first problem is Saul’s age when he began to reign. No other text of Scripture gives us his age at this time. The NASB translators have supplied "40" and the NIV and NET translators "30." The AV translators wrote, "Saul [was . . . years old]," leaving the number undefined.