| Conditions | 1 | 
| Paths | 1 | 
| Total Lines | 11 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
| 1 | <?php  | 
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| 14 | public function up()  | 
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| 15 |     { | 
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| 16 |         Schema::create('customer_systems', function(Blueprint $table) { | 
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| 17 |             $table->increments('cust_sys_id'); | 
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| 18 |             $table->integer('cust_id')->unsigned(); | 
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| 19 |             $table->integer('sys_id')->unsigned(); | 
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| 20 | $table->timestamps();  | 
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| 21 |             $table->foreign('cust_id')->references('cust_id')->on('customers')->onUpdate('cascade')->onDelete('cascade'); | 
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| 22 |             $table->foreign('sys_id')->references('sys_id')->on('system_types')->onUpdate('cascade'); | 
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| 23 | });  | 
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| 24 | }  | 
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| 25 | |||
| 36 | 
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: