Macro CPXERR_ADJ_SIGN_QUAD
Definition file: cplex.h
CPXERR_ADJ_SIGN_QUAD
1606 Lines %d,%d: Adjacent sign and quadratic character.
      
 The previous line ended with a + or - 
 so the subsequent line must start with a 
 variable name rather than an one of the 
 reserved quadratic characters []*^.