1# Update Error Codes
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3> **NOTE**
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5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
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7## 11500104 IPC Error
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9**Error Message**
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11IPC error.
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13**Description**
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15This error code is reported if an exception is thrown during an IPC call.
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17**Possible causes**
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19An IPC API call failed.
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21**Solution**
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231. Check whether the update system ability has started. If not, start it.
242. Check whether IPC data conversion is normal. If not, check the conversion process.
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