The following snippet is producing the error message in the title of this message. The code runs successfully on the CPU but not the GPU. Searching the message produced almost no results. Does anyone know the solution?
4942 !$acc parallel loop &
4943 !$acc private(ss_l,dd_l,r_bf_l,q_bf_l,mu79_l,nu79_l, &
4944 !$acc
r_79,r2_79,r3_79,ri_79,ri2_79,ri3_79,ri4_79,ri5_79,ri6_79,ri7_79,ri8_79,&
4945 !$acc
b2i79,ps179,bz179,ph179,vz179,ch179,pst79,bzt79,pt79,rho79,&
4946 !$acc
vis79,vic79,vip79,for79,sir79,bfp079,bfp179,ps079,bz079,ph079,vz079,&
4947 !$acc ch079,pss79,bzs79,bzx79,psx79,bfpx79,pstx79,bztx79,&
4948 !$acc weight_79,norm79)
4949 do j=1,dofs_per_element
4950 ss_l=0.
4951 dd_l=0.
4952 r_bf_l=0.
4953 q_bf_l=0.
4954 mu79_l=mu79
4955 nu79_l(:,:)=nu79(j,:,:)
4956 call compression_lin(mu79_l,nu79_l, &
4957 ss_l,dd_l,r_bf_l,q_bf_l,advfield,izone)
4960 ss(:,j,:)=ss_l(:,:)
4961 dd(:,j,:)=dd_l(:,:)
4962 r_bf(:,j)=r_bf_l(:)
4963 q_bf(:,j)=q_bf_l(:)
4964 end do