Range start index 0 is out of bounds, because the sliced sequence has only 0 element(s). (Note that indices are 0-based).
The blamed expression:
==> 0..programProjectSize-1  [in template "DATA_TEMPLATE" at line 1935, column 98]

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FTL stack trace ("~" means nesting-related):
	- Failed at: #assign programProjectList = programP...  [in template "DATA_TEMPLATE" at line 1935, column 49]
	- Reached through: #include "${templatesPath}/DATA_TEMPL...  [in template "TEXT_TEMPLATE" at line 16, column 1]
	- Reached through: #include "${templatesPath}/TEXT_TEMPL...  [in template "10153#10191#15954" at line 4, column 1]
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1<#-- ### OVERRIDE CONSTANTES CUSTOM ### --> 

2<#assign HEADER_MODE = "center" /> 

3 

4<#include "${templatesPath}/TEXT_TEMPLATE" />