Can't get into eRx

Hi,
I got an error when clicking the Add/Edit Erx button. But when I log in to another computer, it works ok. I want to use mine for erx and EMR. I am using a Chrome web browser. Please help to fix the problem. My computer is MS windows 7 32 bit. All is working OK with openEMR except eRx. thank you.

Error:
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