Component placement size in layout mode querry

Hi

I use (mm) and i designed a circuit and i want to place a SOT323 HSMS2852 diode pack. When i placed the component package is too small (probably because is i mils) . The EM is prompting me with the attached message. I tried to find this menu but i cant locate it.

Can anyone advise me how to change/convert the package dimensions to mm or point me to the right help file/link?

Thank you

PS: also measured and dimensions are very small

附图/附件

Untitled.png

Hi,

I managed to copy the component from the read only library into my workspace and it did the conversion. Now the component shows correctly but when i add it into the schematic i get the following message

"D1 is an instance of an undefined model xxxxx"
I'm not sure why this shows up.

Please advise

Thank You

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