核心服务 /Core Services
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运营策略

视频案例 /Video Cases
[ERROR: The following has evaluated to null or missing:
==> list[i]  [in template "1/default/index.html" at line 782, column 49]

----
Tip: It's the final [] step 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: #assign bean = list[i]  [in template "1/default/index.html" at line 782, column 33]
	- Reached through: @ArticleList channel="video" isInclud...  [in template "1/default/index.html" at line 780, column 25]
----]

[ERROR: The following has evaluated to null or missing:
==> list[i]  [in template "1/default/index.html" at line 782, column 49]

----
Tip: It's the final [] step 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: #assign bean = list[i]  [in template "1/default/index.html" at line 782, column 33]
	- Reached through: @ArticleList channel="video" isInclud...  [in template "1/default/index.html" at line 780, column 25]
----]