The following has evaluated to null or missing: ==> question.inputParameterMap["meta_A"] [in template "conf/mdx-meta/_default/listing.ftl" at line 11, column 22] ---- Tip: It's the final [] step 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: #switch question.inputParameterMap["m... [in template "conf/mdx-meta/_default/listing.ftl" at line 11, column 13] ~ Reached through: #nested [in template "conf/mdx-meta/includes/funnelback_classic.ftl" in macro "AfterSearchOnly" at line 89, column 9] ~ Reached through: @s.AfterSearchOnly [in template "conf/mdx-meta/_default/listing.ftl" at line 8, column 1] ----