I want to assign distributed property (density, Young's Modulus and Poisson ratio) to my model.

But, instead to set the values per element/element set direct in the *.inp, I have created and included *.txt fines with the information.
In the include files, when I set "element set", my simulation runs well. But, if I set values per each "element", I got a error:

***ERROR: in keyword *DISTRIBUTION, file "distrElem.inp", line 142: Unknown 
node or element id 2147483647 within part instance DISTR1

I am adding the include files on lines 143 and 144 in the *.inp. 
143 -> *INCLUDE, INPUT=matElast_Zone_Hb_ISA_elemA.txt
This file presents values per "element". NOT WORK (error above)

144 ->*INCLUDE, INPUT=matElast_Zone_Hb_ISA.txt
This file presents values per "element set". WORK

I am wondering if you could help me to solve this problem. I have used the example in the link below as a guide for my inputs.

https://www.eng-tips.com/viewthread.cfm?qid=450803

Thank you in advance and best regards,

Isabelle 

Abaqus ​​​​​​​