Special variable tag, {__LAST_JDYN_ERROR__}, that you can use in your
template, and which is automatically populated by JDynamiTe, after parsing Dynamic Elements,
with the last error message (it is empty if no error occurred).
Special variable tag, {__INPUT_TEMPLATE__}, that you can use in your
template, and which is automatically populated with the JDynamiTe input file path string.