I received this today:

All income has been successfully collected for your pets!

Pet sP Earned Bonus Shelke 15,500 sP Pillar 15,500 sP Total 31,000 sP

I have 42 pets - all with jobs.

UPDATE - 3/15/2026 - it did it again (it worked for a few days)

Pet sP Earned Bonus Abbegail 15,500 sP Patissier 15,500 sP Miklas 15,500 sP Caliko 15,500 sP Konani 15,500 sP Vandagyre 15,500 sP BONUS! Your strength has increased by 1 point! Bolb the Bold 15,500 sP Bear Cat 15,500 sP Tomorrow 15,500 sP Stellie 15,500 sP Pillar 15,500 sP Total 170,500 sP BONUS! Your strength has increased by 1 point!