GIF: Where am I going wrong?

Hey friends :heartpulse:

I can’t seem to get my GIF to work - anyone have any ideas on where I’m going wrong?

&overlay O0 opacity 1 in 0.1 THEN overlay O9 opacity 0 in 0 THEN overlay O1 opacity 1 in 0.1 THEN overlay O0 opacity 0 in 0 THEN overlay O2 opacity 1 in 0.1 THEN overlay O1 opacity 0 in 0 THEN overlay O3 opacity 1 in 0.1 THEN overlay O2 opacity 0 in 0 THEN overlay O4 opacity 1 in 0.1 THEN overlay O3 opacity 0 in 0 THEN overlay O5 opacity 1 in 0.1 THEN overlay O4 opacity 0 in 0 THEN overlay O6 opacity 1 in 0.1 THEN overlay O5 opacity 0 in 0 THEN overlay O7 opacity 1 in 0.1 THEN overlay O6 opacity 0 in 0 THEN overlay O8 opacity 1 in 0.1 THEN overlay O7 opacity 0 in 0 THEN overlay O9 opacity 1 in 0.1 THEN overlay O8 opacity 0 in 0 loop INFINITE times

Thanks in advance!