When i use the (eliminate) command appere this error :Error using mupadengine/feval (line 187) Invalid indeterminate. Error in sym/eliminate (line 30) V = feval(symengine, 'groebner::eliminate', polylist, vars); Error in Untitled (line 11) elimina

syms y y1 yr y2 y3 y4 y11 y111 yr1 yr11 yn1 yn11 h lambda

eqns=[y2 ==(4945869129944017*y)/36028797018963968 - (2866424224920907*y1)/4503599627370496 + (421986888190525*yr)/281474976710656 - (49901743616813*h^3*lambda^3*y)/29699926578938900 - (91221348842195*h^3*lambda^3*y1)/1688849860263936 + (2075024098823143*h^3*lambda^3*y2)/270215977642229760 - (1927846235071971*h^3*lambda^3*yr)/59399853157877800,

y4 ==-((5936811739830949*y1)/2251799813685248 - (2560916634306749*y)/2251799813685248 - (421986888190525*yr)/281474976710656 + (3605171747363*h^3*lambda^3*y)/296999265789389 + (3068361144331732*h^3*lambda^3*y1)/6405713988149769 - (50519249608684*h^3*lambda^3*y2)/4077070626339821 + (3272749689114663*h^3*lambda^3*yr)/5439000081341723)/h^2,

y11== +((421986888190525*yr)/562949953421312 - (2866424224920907*y1)/9007199254740992 - (1942682993063747*y)/4503599627370496 + (111274258174709*h^3*lambda^3*y)/14849963289469450 + (2077168046184929*h^3*lambda^3*y1)/16888498602639360 + (6578623726193639*h^3*lambda^3*y2)/540431955284459520 - (1927846235071971*h^3*lambda^3*yr)/118799706315755600)/h,

y111== -((5936811739830949*y1)/2251799813685248 - (2560916634306749*y)/2251799813685248 - (421986888190525*yr)/281474976710656 + (724448730984621*h^3*lambda^3*y)/29699926578938900 + (908947477561804*h^3*lambda^3*y1)/6405713988149769 + (2894109184637149*h^3*lambda^3*y2)/32616565010718568 - (949374961545177*h^3*lambda^3*yr)/5439000081341723)/h^2,

yr1== -((1942682993063747*y)/4503599627370496 + (5220205683600723*y1)/2251799813685248 - (4248864187068849*yr)/2251799813685248 + (12486686719393*h^3*lambda^3*y)/2251799813685248 + (16776456792292247647220498263753*h^3*lambda^3*y1)/101412048018258352119736256430080 - (11375766338016170799704198619923*h^3*lambda^3*y2)/587567800113510802867941290278912 + (576725664920041*h^3*lambda^3*yr)/8154141252679642)/h,

yr11== -((2560916634306749*y)/2251799813685248 + (5936811739830949*y1)/2251799813685248 - (421986888190525*yr)/281474976710656 + (343106495621461*h^3*lambda^3*y)/29699926578938900 + (1035190853759353*h^3*lambda^3*y1)/2135237996049923 - (971264198100331*h^3*lambda^3*y2)/8154141252679642 + (5023536364708067*h^3*lambda^3*yr)/10878000162683446)/h^2,

yn1== -((1766129065419311*y)/1125899906842624 - (5220205683600723*y1)/2251799813685248 + (421986888190525*yr)/562949953421312 + (2024726907633797*h^3*lambda^3*y)/33776997205278720 + (2203841093658358379398205084897*h^3*lambda^3*y1)/7212192782518318374572424953856 + (14551708939319548491576133893711*h^3*lambda^3*y2)/146891950028377700716985322569728 - (707148320459981*h^3*lambda^3*yr)/4123760823868310)/h,

yn11== +((421986888190525*yr)/281474976710656 - (5936811739830949*y1)/2251799813685248 - (2560916634306749*y)/2251799813685248 + (4769729175788333*h^3*lambda^3*y)/14849963289469450 + (1824196946622654*h^3*lambda^3*y1)/2135237996049923 + (1409542791721958*h^3*lambda^3*y2)/4077070626339821 - (3272749689114663*h^3*lambda^3*yr)/5439000081341723)/h^2,

y3==-((6653417796061177*y1)/2251799813685248 - (3179150275549751*y)/4503599627370496 - (1265960664571575*yr)/562949953421312 + (249565692333377*h^3*lambda^3*y)/29699926578938900 + (601658072661564*h^3*lambda^3*y1)/2135237996049923 - (217859615942348*h^3*lambda^3*y2)/5436094168453095 + (246491632906253*h^3*lambda^3*yr)/1208666684742605)/h]

eliminate(eqns,[yr,y3,y4,y11,y111,yr1,yr11,yn11])