Error message

• Notice: Trying to access array offset on value of type bool in eval() (line 11 of sites/all/modules/ds/ds.module(969) : eval()'d code).
• Notice: Trying to access array offset on value of type bool in eval() (line 12 of sites/all/modules/ds/ds.module(969) : eval()'d code).
• Notice: Trying to access array offset on value of type bool in eval() (line 13 of sites/all/modules/ds/ds.module(969) : eval()'d code).