Configuration save generates bad warnings

We have an annoying issue in the 2.0.0 version, when saving configuration in Manager or with lemonldap-ng-cli, we have a lot of warnings:

          {
            'message' => 'totp2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 166) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'issuerDBCASRule: __badExpression__: \'require\' trapped by operation mask at (eval 168) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'portalDisplayChangePassword: __badExpression__: \'require\' trapped by operation mask at (eval 170) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'portalSkinRules/1: __badExpression__: \'require\' trapped by operation mask at (eval 172) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'portalDisplayAppslist: __badExpression__: \'require\' trapped by operation mask at (eval 174) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'sfRequired: __badExpression__: \'require\' trapped by operation mask at (eval 176) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'utotp2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 178) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'portalDisplayLogout: __badExpression__: \'require\' trapped by operation mask at (eval 180) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'u2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 182) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'yubikey2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 184) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'totp2fSelfRegistration: __badExpression__: \'require\' trapped by operation mask at (eval 186) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'jsRedirect: __badExpression__: \'require\' trapped by operation mask at (eval 188) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'ext2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 190) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'rest2fActivation: __badExpression__: \'require\' trapped by operation mask at (eval 192) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'u2fSelfRegistration: __badExpression__: \'require\' trapped by operation mask at (eval 194) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'yubikey2fSelfRegistration: __badExpression__: \'require\' trapped by operation mask at (eval 196) line 1, <STDIN> line 1.'
          },
          {
            'message' => 'issuerDBSAMLRule: __badExpression__: \'require\' trapped by operation mask at (eval 198) line 1, <STDIN> line 1.'
          }

Should be linked to a recent change in the code?