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HP Sprocket flashing red and green lights when plugged in. Won’t turn on otherwise.

HP Sprocket flashing red and green lights when plugged in. Won’t turn on otherwise.  Have reset and still not working.

The following has evaluated to null or missing: ==> page.context.thread [in template "gz-hp.custom.reply.metoo" at line 4, column 22] ---- Tip: It's the step after the last dot that caused this error, not those before it. ---- Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: #assign threadId = page.context.threa... [in template "gz-hp.custom.reply.metoo" at line 4, column 1] ----
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