error message when the link has & sign

I wonder if some one can explain what could have been wrong if I included the & in the link such as 
<a xlink:href="">
<text x="250" y="10" style="font-style:none; font-family:Vernada; font-weight:normal; fill:blue">
PPU_PD: DWH04 Adjust Inventory
Thank you in advance

Received on Friday, 28 July 2000 11:32:57 UTC