Fix problem when try to remove a reconcilaition created from bank

statement, and not remove from there.

Update raise message.

locale/ca.po

@@ -44,13 +44,13 @@ msgstr ""
 
 msgctxt "model:ir.message,text:reconciliation_cannot_delete"
 msgid ""
-"Cannot break reconciliation \"%(reconciliation)s\" because line \"%(line)s\""
-" has assigned to Bank Statement Line Please go to \"%(statement_line)s\" "
-"bank statement line to unreconcile"
+"Cannot break reconciliation because there is a line assigned to Bank "
+"Statement Line. Please go to \"%(bank_line)s\" bank statement line to "
+"unreconcile."
 msgstr ""
-"No es pot trencar la conciliació \"%(reconciliation)s\" perquè la línia "
-"\"%(line)s\" s'ha assignat a la línia de l'extracte bancari. Aneu a la línia"
-" de l'extracte bancari \"%(statement_line)s\" per no conciliar."
+"No es pot trencar la conciliació perquè hi ha una línia assignada a una línia"
+" d'extracte bancari. Aneu a la línia \"%(bank_line)s\" de l'extracte bancari "
+"per trencar la conciliació."
 
 msgctxt "model:ir.message,text:same_account"
 msgid ""

locale/es.po

@@ -44,13 +44,13 @@ msgstr ""
 
 msgctxt "model:ir.message,text:reconciliation_cannot_delete"
 msgid ""
-"Cannot break reconciliation \"%(reconciliation)s\" because line \"%(line)s\""
-" has assigned to Bank Statement Line Please go to \"%(statement_line)s\" "
-"bank statement line to unreconcile"
+"Cannot break reconciliation because there is a line assigned to Bank "
+"Statement Line. Please go to \"%(bank_line)s\" bank statement line to "
+"unreconcile."
 msgstr ""
-"No se puede romper la conciliación \"%(reconciliation)s\" porque la línea "
-"\"%(line)s\" se ha asignado a la línea del extracto bancario. Vaya a la "
-"línea del extracto bancario \"%(statement_line)s\" para no conciliar"
+"No se puede romper la conciliación porque hay una línea asignada a una línea"
+" de extracto bancario. Id a la línea \"%(bank_line)s\" del extracto bancario "
+"para romper la conciliación."
 
 msgctxt "model:ir.message,text:same_account"
 msgid ""

message.xml

@@ -16,7 +16,7 @@ this repository contains the full copyright notices and license terms. -->
           <field name="text">Not found a counterpart account. Check accounts from journal and move lines are not the same.</field>
       </record>
       <record model="ir.message" id="reconciliation_cannot_delete">
-          <field name="text">Cannot break reconciliation "%(reconciliation)s" because line "%(line)s" has assigned to Bank Statement Line Please go to "%(statement_line)s" bank statement line to unreconcile</field>
+          <field name="text">Cannot break reconciliation because there is a line assigned to Bank Statement Line. Please go to "%(bank_line)s" bank statement line to unreconcile.</field>
       </record>
     </data>
 </tryton>

statement.py

@@ -343,44 +343,21 @@ class Reconciliation(metaclass=PoolMeta):
     def delete(cls, reconciliations):
         from_statement = Transaction().context.get(
             'from_account_bank_statement_line', False)
-        if from_statement:
-            return super(Reconciliation, cls).delete(reconciliations)
-
-        cls.check_bank_statement_lines(reconciliations)
+        if not from_statement:
+            cls.check_bank_statement_lines(reconciliations)
         return super(Reconciliation, cls).delete(reconciliations)
 
     @classmethod
     def check_bank_statement_lines(cls, reconciliations):
-        BankLines = Pool().get('account.bank.reconciliation')
+        BankLine = Pool().get('account.bank.statement.line')
 
-        moves = set(
-            line.move
-            for reconciliation in reconciliations
+        lines = [line for reconciliation in reconciliations
             for line in reconciliation.lines
-        )
+            if isinstance(line.origin, BankLine)]
 
-        lines_with_statement = BankLines.search(
-            [
-                ('move_line', 'in', (line for reconciliation in reconciliations
-                        for line in reconciliation.lines)),
-                ('bank_statement_line', '!=', None),
-            ],
-            limit=1,
-        )
-
-        if lines_with_statement:
-            bank_line = lines_with_statement[0]
-
-            error_reconciliation = next(
-                reconciliation
-                for reconciliation in reconciliations
-                for line in reconciliation.lines
-                if bank_line.move_line.move == line.move
-            )
+        if lines:
+            line = lines[0]
             raise UserError(gettext(
                 'account_bank_statement_counterpart.reconciliation_cannot_delete',
-                    reconciliation=error_reconciliation.rec_name,
-                    line=bank_line.rec_name,
-                    statement_line=(
-                        bank_line.bank_statement_line.rec_name)
+                    bank_line=line.origin.rec_name
                     ))