Compilation error hatası

Mbl.
Output.
C: \users \PC-17\Desktop\kocAFEST\ilericizgi\ilericizgi.ino:16:1: error: 'qtrsensorsanalog' does not name a type; did you mean 'qtr.
Qtrsensorsanalog qtra((unsigned char[])fA7,A6.A5,A4.A3.A2,A1,A0),8);
QTRSensors.
C: \Users \PC-17\Desktop\KOcAFEST\ilericizgi\ilericizgi.ino:16:65: error: expected unqualified-id before ',' token.
QTRSensorsAnalog qtra((unsigned char[])(A7, A6, A5, a4, a3a2, a1, a0],8);
Iee.
Le.
-
C: \Users\PC-17\Desktop\KocAFEST\ilericizgi\ilericizgi.ino:16:66: error: Expected unqualified-ID before numeric constant.
Qtrsensorsanalog qtra((unsigned char[])(A7, A6, A5, a4, a3.a2, a1, a0),8);
C: \Users\PC-17\Desktop\KocAFEST\ilericizgi\ilericizgi.ino: ın function 'Void setup()':
C: \Users\PC-17\Desktop\KocAFEST\ilericizgi\ilericizgi.ino:51:1: error: 'qtra' was not declared in this scope.
qtra.calibrate();delay(1);|
C: \Users\PC-17\Desktop\KocAFEST\ilericizgi\ilericizgi.ino:51:1: Note: Suggested alternative: 'utoa.
qtra.calibrate();delay(1);
Aanr.
Utoa.
C: \Users\PC-17\Desktop\KOCAFEST\ilericizgi\ilericizgi.ino: ın function 'Void sensoroku()':
Lusers \PC-17 \Desktop\kocAFEST\ilericizgililericizgi.ino:126:25: error: 'qtra' was not declared in this scope.
[
Unsigned int position = qtra. Readline(sensors, 1, zemin);//7 6 543 21 0
Annr.
C: \WUsers\Pc-17\Desktop\KOcAFEST\ilericizgi\ilericizgi.ino:126:25: Note: Suggested alternative: 'utoa.
Unsigned int position = qtra. Readline(sensors, 1, zemin);//7 6 543 210.
Utoa.
Boxin.
Robotik.
Kodlama.
Robotik.
Kodla.
W
Klavyede.
Kısa kenar.
Kitap3.
Exit status 1
Compilation error: 'otrsensorsanalog' does not name a type; did you mean 'qtrsensors'? Bu kod hata veriyor. Sebebi nedir?