There is a report card that our company sends to students. The QR code on the report card was in the pending state, but a 502 error appears.
Url is like this. "https://chart.googleapis.com/chart?cht=qr&chs=268x268&chld=L|0&chl=https%3A%2F%2Fai.tosel.co.kr%2Fgrade%3Fgradeturn%3D2126%26receipt_no%3D001136830002%26show%3DNaN" Hurry up and solve it. -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-visualization-api+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-visualization-api/21f11572-646c-4bc6-8ad0-c5647242734fn%40googlegroups.com.
