וַיְהִ֞י בַּשָּׁנָ֤ה הַֽחֲמִישִׁית֙ לַמֶּ֣לֶךְ רְחַבְעָ֔ם עָלָ֛ה שִׁישַׁ֥ק מֶֽלֶךְ־מִצְרַ֖יִם עַל־יְרוּשָׁלִָ֑ם כִּ֥י מָעֲל֖וּ בַּיהוָֽה׃
And it came to pass in the fifth year of king Rehoboam, that Shishak king of Egypt came up against Jerusalem, because they had dealt treacherously with the LORD,
Rashi
And in those times in those numerous days for Israel, [when they were] without a true God there was no peace for anyone going or coming, etc. Concerning Rehoboam it is written (above 12: 2): “Shishak, the king of Egypt, marched against Jerusalem, for they had betrayed the Lord.” Abijah also experienced many turmoils.