https://help.sap.com/doc/72436848a07e43638a2ee9b425a29a23/7/en-US/TREX61_70_UPGR.pdf2017-09-01https://help.sap.com/doc/938cd65b15a441d99b19eec286943b4b/7/en-US/TREX70_Mult_I_20102017.pdf2017-10-23https://help.sap.com/doc/b1ee8fa789de4e479c5e2e32b70bc7ae/7/en-US/TREX71_INST_MULTIPLE.pdf2017-09-01https://help.sap.com/doc/df3ddaf01ea44804bbe27334df8e14ba/7/en-US/TREX70_Single_I_20102017.pdf2018-01-25https://help.sap.com/doc/c1fb05358af341ca911b0ae027c8c216/7/en-US/TREX71_INST_SINGLE.pdf2022-01-21https://help.sap.com/doc/c5ab84b8ba65456b8554e71b3163ebd4/7/en-US/TREX70_71_UPGR.pdf2017-09-01