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[ERROR: The following has evaluated to null or missing: ==> channel.parentId [in template "1/hengjianlun/channel-product.html" at line 19, column 39] ---- 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 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[/#if]. (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: @ChannelList parentId="${channel.pare... [in template "1/hengjianlun/channel-product.html" at line 19, column 13] ----]

[ERROR: The following has evaluated to null or missing:
==> channel.parentId  [in template "1/hengjianlun/channel-product.html" at line 60, column 47]

----
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 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[/#if]. (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: @ChannelList parentId="${channel.pare...  [in template "1/hengjianlun/channel-product.html" at line 60, column 21]
----]