diff --git a/common b/common
index bc61b5b9265bde0f30dfc53db0bf5820e3c69b04..1bc8c371f3852dab849aa6db901c8f275dfe025f 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit bc61b5b9265bde0f30dfc53db0bf5820e3c69b04
+Subproject commit 1bc8c371f3852dab849aa6db901c8f275dfe025f
diff --git a/utils/tests/alphaPhi/testRotation.m b/utils/tests/alphaPhi/testRotation.m
index 6f23ceedb4dca33e43d51caca2778de55bdb97e2..98597289a4d964ea1040907e5c0d85171e8508c5 100644
--- a/utils/tests/alphaPhi/testRotation.m
+++ b/utils/tests/alphaPhi/testRotation.m
@@ -23,6 +23,8 @@ interpolant = griddedInterpolant(...
 
 %% Validate in multiple cases coefficients by n*section
 
+% uncomment * if manually outputting err from Coefficient
+
 n = 100;
 
 mach = rand(n, 1); 
@@ -32,11 +34,16 @@ sections = ap.geometry.nPanel;
 % Generic alpha-phi
 alpha = rand(n, 1)*20; 
 phi = rand(n, 1)*360;
+beta = rand(n, 1)*20 - 10;
 err1 = nan(6, n);
+altitude = rand(n, 1)*3000; 
 
 for i = 1:n
     [coeffsR, coeffs] = computeCoeffs(sections, alpha(i), mach(i), phi(i), abk(i), interpolant);
     err1(:, i) = abs(coeffs - coeffsR);
+
+    % uncomment if error calculation manually added internally
+    % [~, err1(:, i)] = ap.get(alpha(i)*pi/180, mach(i), beta(i)*pi/180, altitude(i), abk(i), 1.7);
 end
 
 % Extrapolation (best near)
@@ -46,6 +53,7 @@ phi = 247;
 abk = 1.3; % This should actually never happen
 
 [coeffsR, coeffs] = computeCoeffs(sections, alpha, mach, phi, abk, interpolant);
+
 err2 = abs(coeffs - coeffsR);
 
 % Edge cases (phi = 120*n)