It was narrated from Abu Al-Ja'd Ad-Damri-who was a Companion of the Prophet (ﷺ)- that the Prophet (ﷺ) said:
"Whoever missed three jumu'ahs out of negligence, Allah (SWT) will place a seal over his heart." (DE)
App reference (DE): Book 14, Hadith 4 (DE)
English reference (DE): Vol. 2, Book 14, Hadith 1370 (DE)
Arabic reference (DE): Book 14, Hadith 1378 (DE)