Compiler Error 143: 'Scalar' : Initialiser is not a constant

#define adr(x) ((word) &(x)) char tmsec[20]; struct par_struct AL[] = { //par.nr, lv, ln, eh, adress bk, pt, ft { 1, 2, 8, 0, 0, ptUSER, 40}, { 2, 2, 8, 0, 0, ptUSER, 41}, { 3, 2, 1, 0, 0, ptUSER...
Compiler Error 143: 'Scalar' : Initialiser is not a constant

#define adr(x) ((word) &(x)) char tmsec[20]; struct par_struct AL[] = { //par.nr, lv, ln, eh, adress bk, pt, ft { 1, 2, 8, 0, 0, ptUSER, 40}, { 2, 2, 8, 0, 0, ptUSER, 41}, { 3, 2, 1, 0, 0, ptUSER...
Compiler Error 143: 'Scalar' : Initialiser is not a constant

#define adr(x) ((word) &(x)) char tmsec[20]; struct par_struct AL[] = { //par.nr, lv, ln, eh, adress bk, pt, ft { 1, 2, 8, 0, 0, ptUSER, 40}, { 2, 2, 8, 0, 0, ptUSER, 41}, { 3, 2, 1, 0, 0, ptUSER...
Compiler Error 143: 'Scalar' : Initialiser is not a constant

#define adr(x) ((word) &(x)) char tmsec[20]; struct par_struct AL[] = { //par.nr, lv, ln, eh, adress bk, pt, ft { 1, 2, 8, 0, 0, ptUSER, 40}, { 2, 2, 8, 0, 0, ptUSER, 41}, { 3, 2, 1, 0, 0, ptUSER...
Compiler error 143

Can anyone tell me why this piece of code builds with error 143, and how to get it to build without errors? typedef unsigned char U8; typedef unsigned long int U32; #define B0(x) ((U8) ((U32)x&0xFF...